surface+pressure

ضَغْط \ depression: an act of pressing down or state of being pressed down. pressure: forceful pressing against a surface: air pressure in a tyre; blood pressure in one’s body; oil pressure in an engine.

ضَغْط \ depression: an act of pressing down or state of being pressed down. pressure: forceful pressing against a surface: air pressure in a tyre; blood pressure in one’s body; oil pressure in an engine.

ضَغْط \ depression: an act of pressing down or state of being pressed down. pressure: forceful pressing against a surface: air pressure in a tyre; blood pressure in one’s body; oil pressure in an engine.

عَلَى \ against: touching (usually sth. upright): The rain beat against the window. He pressed his nose against the glass. on: showing where sb. or sth. is placed: He lay on his back on the bed. The picture hung on a nail on the wall. Your name is on the list. He hit me on the nose. The boat is on the river (in the water). The house is on the river (beside the water), as in the previous meaning, but with movement (often with to) He jumped on (to) his horse. The book fell on (to) the floor. onto: on to: He sprang onto the table. over: lying across; resting on; covering: A cloud was over the sun. She spread a cloth over the table, across the surface of Ships sail over the sea, above (in rank, etc.) He rules over a proud people, about; concerning They quarrelled over the resutl of the race. You need not hurry over your dinner. upon: on. \ عَلَى \ on shore, ashore: on dry land; not on the sea; on or to the shore: Sailors are unhappy ashore. We swam ashore from the boat. \ See Also نَحْوَ البَرّ، اليابسة (اليَابِسَة)‏ \ عَلَى \ ashore: on or to the shore: Sailors are unhappy ashore. We swam ashore from the boat. on shore, ashore: on dry land; not on the sea. \ See Also نَحْوَ الشّاطِئ \ عَلَى اتِّصَال (عكس مُنْقَطع عن)‏ \ in touch: (the opposite is out of touch) giving or receiving news: I’ve been in touch with my brother by telephone. The radio keeps us in touch with world events. \ عَلَى أتَمّ ما يكُون من التَّرتيب والهِنْدام \ spick and span: (as a predic. phrase) neat, clean and bright: Sailors usually keep their boats spick and span. \ عَلَى الأَثير \ on the air: being sent out on the radio or television. \ عَلَى أَحْسَن وَجْه \ best, well, better: in the best way: Peter played best last week. \ عَلَى أرْبَع \ on all fours: on hands and knees: She went down on all fours to look for the needle. \ عَلَى الأرض \ over: from an upright (or straight) position to a flat (or bent) position: I fell over. He knocked me over. She bent over to pick it up. \ عَلَى استعداد \ content: willing: I’m content to wait for my turn. \ عَلَى أشُدِّه \ in full swing: (of an activity) at its highest point; very busy: The party was in full swing when I arrived. \ عَلَى الإطلاق \ little: (coming just before the verb) not at all: I little knew (or Little did I know) that next day he would be dead. not in the least: not at all: It doesn’t matter in the least. whatever: at all: I have no money whatever. whatsoever: a strong form of whatever; at all: Tell him nothing whatsoever!. \ عَلَى الأَغْلَب \ for the most part: mostly: He is old and for the most part he stays at home. \ عَلَى أَقْصَى ما تستطيع رؤيتَه \ in the distance: far away (from the point where one is): In the distance he could see the mountains. \ عَلَى الأَقَلّ \ a good: (with numbers) at least: He lives a good 3 miles away. at least: (showing that sth. is true, necessary, etc., even if sth. else is not) in spite of what has just been said or is just going to be said: He may be lazy but at least he’s honest. You can at least be polite even if you don’t like him, not less than It cost at least $100. quite: at least; not less than: The journey took quite three hours. \ عَلَى الأَكثَر \ largely: mostly: The accident was largely his own fault. mainly: chiefly; mostly. \ عَلَى انفِراد \ private: (only in the phrase in private) privately; where nobody can hear except those concerned: May I speak to you in private. \ عَلَى أُهْبَة الاستعداد \ stand by: to be ready, in case one may be needed: The soldiers were told to stand by. \ عَلَى أَيّ حال \ anyhow: in any case: I don’t really need this; anyhow, it costs too much. anyway: in any case: I may be late; anyway, don’t wait for me, in any case I don’t really need this; anyhow, it costs too much. at all events, in any event: in any case; whatever may happen or has happened: He didn’t win but, at all events, he did try hard. at any rate: at least; in any case: He wasn’t there; at any rate, I don’t think he was. I may not succeed; but I’ll try, at any rate. in any case: no matter what else may be considered, anyhow: It costs too much. In any case, I don’t really need it. \ عَلَى أيَّة حال \ all the same, at the same time: (only at the start of a sentence; comparing points that are for and against) in spite of this: He’s not clever; all the same, he does try hard. however: all the same; in spite of what has just been said: I’m very tired; however, I’ll come and help you. \ عَلَى بُعد \ away: at a distance: Brighton is 60 miles away. Keep away from the wet paint. beyond: further; on or to the farther side: I looked across the river to the hills beyond. \ عَلَى التَّخْصِيص \ in particular: especially: I enjoyed his first song in particular. \ عَلَى التَّوَالي \ respectively: separately, in that order: Boys and girls will be examined on Monday and Tuesday respectively (the boys on Monday, the girls on Tuesday). \ عَلَى جَانِب \ up: along (up and down are both used like this, although the course may be quite level): He lives just up the road. \ عَلَى الجميع \ round: to everyone: He handed the coffee round. There were not enough cups to go round. \ عَلَى حَدٍّ \ as far as, so far as: (showing a limit): As far as I know, he’s not here. \ عَلَى حَدٍّ سَواء \ alike: in the same way: He treats us all alike. \ عَلَى حَدِّ عِلْمي \ to the best knowledge: as far as I know: To the best of my knowledge, he is honest (I have no reason to doubt his honesty). \ عَلَى حِدَة \ private: (only in the phrase in private) privately; where nobody can hear except those concerned: May I speak to you in private?. separate: not joined or shared; apart: Keep the new milk separate from the old. \ عَلَى حَقّ (مُحِقّ)‏ \ be in the right: not be at fault: Although they said she’d made a mistake, they discovered she was in the right. \ عَلَى حِين غِرَّة \ all of a sudden: in a sudden manner. suddenly: in a sudden manner: The door opened suddenly. \ عَلَى خَطَأ \ in the wrong: mistaken (in one’s judgement, behaviour etc.). \ عَلَى الدَّوام \ always: at all times. \ عَلَى رؤوس الأصابِع \ on tiptoe: on the tips of one’s toes: I can reach that if I stand on tiptoe. \ عَلَى الرّاجح \ likely: (usu. with very, most, more or quite) probably: She’s very likely right. \ عَلَى الرُّغْم مِن \ despite: in spite of: Despite his age, the old man walks several miles every day. for all: in spite of: For all his strength, he could not lift it. much as: although: Much as I admire him, I could not work with him. spite, in spite of: (of sth. that fails) even with: In spite of his efforts, he could not save her life, without regard to; not caring about (a difficulty) In spite of his illness, he attended the ceremony. \ عَلَى الرُّغْم مِنْ أَنَّ \ although: in spite of the fact that; (without a verb) in spite of being: Although (he was) ill, he went to work. \ عَلَى الرُّغْم من ذلك \ even so: in spite of that: He may be foolish; even so, you should help him. just the same: (showing one thing that is not the natural result of another) in spite of this: He’s a thief, but I like him just the same. nevertheless: in spite of that: I told him it would be dangerous, but nevertheless he did it. still: in spite of that: We rarely win; but still, we enjoy playing. \ عَلَى سَبيل المِثال \ for instance: as an example: He’s often late. Yesterday, for instance, he came home after midnight. \ عَلَى السَّطح كلِّه \ over: (esp. with all) across a surface: The table was wet all over. He rubbed it over with a dry cloth. \ عَلَى سَوِيَّة \ level: equal in height or position: His eyes were level with my shoulder. I soon drew level with the leading runner. \ عَلَى سَوِيَّة \ flush: exactly on a level with; not sticking out from; meeting exactly at the edges: The door is flush with the wall when it is closed. \ See Also مستوى (مُسْتَوًى)‏ \ عَلَى سَوِيَّة واحدة \ even: equal: The table legs were not of even length. He shared the money evenly among them. \ عَلَى شاكِلَة \ like: the same as: What is he like (in appearance and character)? He’s just like his father., What does it feel (or look or taste or smell or sound) like?. in the same way as:: He swims like a fish. \ عَلَى شَرْط \ provide (that), also providing (that): if; on condition that: I’ll go, provided (that) you’ll go too. \ عَلَى شَفَا \ on the brink of: close to (sth. dangerous or exciting): on the brink of war. on the point of doing sth.: starting to do sth.: I was on the point of telephoning you, when I got your letter. on one’s last legs: (of a person or thing) not expected to last much longer; worn out; almost in ruins: That company is on its last legs. on the verge of: close to: She was on the verge of tears. \ See Also شفير (الموت أو الإفلاس، إلخ)، عَلى وَشْك \ عَلَى صَهْوَةِ الجَوَاد \ on horseback: on a horse: He travelled on horseback. \ عَلَى ضِغْن \ grudgingly: unwillingly. \ See Also على غير رَغْبَة \ عَلَى طُولِ \ along: following the line of: He ran along the road. down: along (without regard to level): We raced down the street. My friend lives just down the road. \ عَلَى ظَهْر \ on deck: on an uncovered deck, in the open air. \ See Also سَطْح السفينة \ عَلَى ظَهْر الحِصان \ on horseback: on a horse: He travelled on horseback. \ عَلَى ظَهْر السَّفينة \ on board: on (or on to) a ship or aeroplane: There are 70 men on board. Can I go on board the aircraft?. \ عَلَى ظَهْر الصَّفْحَة \ overleaf: on the back of the page: Please fill in this paper, and sign your name overleaf. \ عَلَى عَرْض \ across: over; from one side to the other of: He ran across the street. There is a bridge across the stream. \ عَلَى العَكْس \ on the contrary: (expressing disagreement) the opposite is true: It’s not worn out - on the contrary, it’s quite new. \ عَلَى عِلْم بِـ \ familiar with: knowing; accustomed to: I’m not familiar with English law. \ عَلَى عُلُوّ \ high: (in compounds) to the height of: The grass was waist-high. \ عَلَى الغالِب \ probably: almost certainly; with little doubt: You’re probably right. \ عَلَى غَيْر انتظار \ surprisingly: unexpectedly: a surprisingly good result. \ عَلَى غَيْر رَغْبَة \ grudgingly: unwillingly. \ عَلَى غَيْر هُدًى \ adrift: (of boats) loose; floating about with no control: Our ship was wrecked and we were left adrift in a small boat on the ocean. \ عَلَى فَتَرات مُنْتَظِمة \ periodically: from time to time. \ عَلَى فَرض أنّ \ (conj.) supposing: if: Supposing he’s late, shall we wait for him? Even supposing the lorry comes, it will still be too late. \ عَلَى الفِطْرة \ na]ve: too simple to be sensible; lacking wisdom and experience: a na]ve question; a na]ve young girl. \ عَلَى فِكْرَة \ by the way: used to show that the speaker is about to change the subject: Thank you for your help. By the way, would you like to come to our party next week?. \ عَلَى الفَوْر \ directly: at once: He arrived directly after me. instantly: at once. off-hand: without thought or preparation: I can’t say off-hand what it cost, but it was over $1000. \ عَلَى قافية واحدة \ rhyme: (of word endings) to have the same sound: ‘Consideration’ rhymes with ‘nation’, ‘Port’ rhymes with ‘thought’. ‘Pleasure’ rhymes with ‘measure’ but not with ‘pressure’. \ عَلَى قَدْر \ according to: in the proper way for; depending on: Each man was paid according to his skill. \ عَلَى قَدَم وَسَاق \ in full swing: (of an activity) at its highest point; very busy: The party was in full swing when I arrived. \ عَلَى قَيْد الحَيَاة \ alive: living: He was buried alive when part of a cliff fell on him. \ عَلَى كُلّ حال \ at any rate: at least; in any case: He wasn’t there; at any rate, I don’t think he was. I may not succeed; but I’ll try, at any rate. \ عَلَى مَا يَبْدُو \ apparently: it seems (from what people say): I thought she was 15, but apparently is older. \ عَلَى ما يَصِل إليه عِلْمي \ to the best of my knowledge: as far as I know: To the best of my knowledge, my son has never met her. \ See Also على مَبْلَغ علمي \ عَلَى المَدَى الطَّويل \ in the long run: after a period of time; in the end: It’ll be cheaper in the long run to buy good quality shoes. \ عَلَى مسؤوليَّته الشخصيّة \ at one’s own risk: agreeing that any troube will be one’s own fault: The bridge is unsafe but you can cross it at your own risk. \ عَلَى مسافة قريبة مِن \ off: a short distance from: an island off the English coast. \ عَلَى مُسْتَوًى \ level: equal in height or position: His eyes were level with my shoulder. \ عَلَى مِصْرَاعَيْه (فَتَحَ الباب)‏ \ wide: (with open) fully: open the door wide. Leave it wide open. \ عَلَى نَحْو مماثِل \ similarly: in the same way: They were similarly dressed. \ عَلَى نَسَق \ on the lines of: in the general form of: We’re planning some sports on the lines of the Olympic Games, but for schoolboys only. \ عَلَى نَفْس الوَتيرة \ even: (of movement) regular; steady: Her heart was not beating evenly. \ عَلَى نَوبات \ fits and starts: in short bursts; starting and stopping: The engine only goes in fits and starts. \ See Also فترات \ عَلَى هذا المُعَدَّل \ at that rate: if those conditions continue: He keeps stopping for a rest; at that rate, he won’t finish the job today. \ عَلَى هذا النَّحْو \ so: in this way; in that way: Don’t shout so!. thus: in this way. \ عَلَى الهَوَاء \ on the air: being sent out on the radio or television. \ عَلَى وَتِيرَة واحدة \ monotonous: (of a voice, a job, a way of life, etc.) dull, never changing and therefore uninteresting. \ عَلَى وَجْهٍ \ unusually: (with an adj.) very; strangely: It is unusually cold in here today. \ See Also بشكل غير عاديّ \ عَلَى وَجْهِ التَّقْريب \ roughly: (with numbers and amounts) not exactly; about: roughly 50 trees; roughly a mile away. \ عَلَى وَجْهِ الخُصُوص \ particularly: especially: a particularly nasty smell. \ عَلَى الوَجهِ الصحيح \ duly: properly; as expected: The bill was duly paid. The train duly arrived. \ عَلَى وَجْهِ العُمُوم \ in general: in most cases: Men in general are taller than women. \ عَلَى وَجْهٍ ما \ somehow: in some way or other, by some means or other: I’ll pay for it somehow, even if I have to ask someone to lend me the money. \ عَلَى وَجْهٍ مُسْتَهْجَن \ oddly: strangely: She behaved very oddly last night. \ عَلَى مِقْدار عِلْمي \ for all I know: as far as I know: For all I know, you may have stolen this. \ عَلَى مَقْرُبةٍ \ near: close to, in position: His house is near my own. \ عَلَى مَقرُبة مِن \ about: around; near There’s a lot of illness about. I went out early, when no one was about (when no one else was out). \ عَلَى مَهْل \ leisurely: without haste: He likes a leisurely walk in the evening. \ عَلَى نَحْو أسوأ \ worse: more bad; more badly: Murder is worse than stealing. It is a worse crime. You write even worse than I do. \ عَلَى نَحْوٍ أَفْضَل \ better, well, best: in a better way: He drives better than I do. \ عَلَى نَحْو تامّ \ strictly: exactly: Strictly speaking (If I tell you the exact truth) this ticket is out of date; but I’ll let you travel with it. \ See Also كامل (كامِل)‏ \ عَلَى نَحْو خَطير \ badly: seriously: He was badly wounded. \ عَلَى نَحْو رَخْو \ loosely: in a loose way: a loosely tied knot. \ See Also غير مُحْكَم \ عَلَى نَحْو رَدِيء \ badly: in a bad manner: badly dressed; badly made. \ عَلَى نَحْو صارم \ strictly: very firmly: Smoking in this cinema is strictly forbidden. \ See Also دَقيق \ عَلَى نَحْو صَحيح \ right: correctly: You guessed right. \ عَلَى نَحْو صَحيح \ rightly: justly; correctly: You acted rightly. \ See Also ملائم (مُلائم)‏ \ عَلَى نَحْوٍ كَامِل \ absolutely: without conditions: You must agree absolutely and not to try to change matters later. \ عَلَى نَحو مألوف \ ordinarily: usually. \ عَلَى نَحْو مُرْضٍ \ well: (the adv. form of the adj. good; see better, best) in a good and pleasing way: Well done! You played very well. \ عَلَى نَحْو مُلحّ \ badly: (with need, want) very much: They need money badly. \ عَلَى وَشْك \ on the point of doing sth.: starting to do sth.: I was on the point of telephoning you, when I got your letter. \ عَلَى وَشْك أَنْ \ be about to do sth.: to be ready to do it; be just going to do it: I was about to go when he arrived. on the verge of: close to: She was on the verge of tears. \ عَلَى يَد (مِن قِبَل)‏ \ by: (showing who or what did sth.): He was bitten by a dog. \ عَلَى اليدين والرِّجلين \ on all fours: on hands and knees: She went down on all fours to look for the needle.

[ˈsakʃən] noun مَص، رِضاعَه شَفْط الهَواء، تَفْريغ

راحَة \ comfort: pleasant conditions; enjoyment of all that one needs: I earn enough to live in comfort. convenience: suitability; comfort: The convenience of having hot water makes washing clothes easier. We have all modern conveniences at home. ease: absence of discomfort or difficulty: He speaks in public with great ease. relief: the removal of anxiety or pain or pressure: It was a relief to me when I passed the exam. rest: resting; (a period of) freedom from any work or activity. \ See Also رَفاهية، رغد (رَغَد)، يسر (يُسْر)‏ \ راحَة البال \ contentment: the state of being content; quiet happiness. \ راحَة اليَد \ palm: the inside surface of one’s hand, between the wrist and the fingers.

عِلْم \ knowledge: what one knows: His knowledge of radio is very wide. His general knowledge is slight. learning: knowledge that is gained by long serious study: He is a man of great learning. scholarship: the qualities of a very learned person: This writer on Shakespeare is famous for his scholarship. science: the careful study of any serious subject: political science; the science of language. \ بِغَير عِلْمِه \ behind sb.’s back: when someone is not present: He tells untrue stories about me behind my back. \ عِلْم الآثار القَديمة \ archaeology, archeology: the scientific study of life in the distant past by digging up ancient cities, examining buried objects, etc. \ عِلْم الاجْتِماع \ sociology: the study of society and human behaviour in groups. \ عِلْم الإِحْصَاء \ statistics: (with pl. verb) facts that are shown by numbers; (with sg. verb) the science of showing facts by numbers: National statistics of births and deaths are collected regularly. Statistics is a modern science. \ عِلْم الأَحْياء \ biology: the science of living things. \ عِلْم الأخلاق \ ethics: the study of good and bad in human behaviour. \ عِلْم الأرصاد الجوّيّة \ meteorology: the science of the weather. \ عِلْم الأساطير \ mythology: myths in general; the study of myths. \ عِلْم الاشْتِقاق (في علم اللُّغَة)‏ \ etymology: the study of the history of words. \ عِلْم الأصوات \ phonetics: (as subject of study; pl. as a practical activity) the science of speech sounds; the signs used for these sounds; the practical use of this science: Phonetics is a modern science. Are these phonetics correct? Phonetics help foreigners to pronounce words. \ عِلْم الاقتصاد \ economics: the science of national economy. \ عِلْم الإنْسَان \ anthropology: the scientific study of man, his way of life, religions, races, etc. \ عِلْم بالوُصُول \ acknowledg(e)ment: a note of receipt: I sent the money but I’ve had no acknowledgement. \ عِلْم التاريخ \ history: an orderly record or study of past events: a student of history; the history of Europe. \ عِلْم التَّحْليل النَّفْسي \ psychoanalysis: (the scientific study of) a way of treating disorders ot the mind by examination of all that sb. can remember of his past life, dreams, feelings, etc.. \ عِلْم التَّدْبِير المنزليّ \ domestic science: the study of cooking and other housekeeping skills. \ عِلْم التَّنْجيم \ astrology: the study of the stars in relation to human fate. \ عِلْم الجَبْر \ algebra: a branch of mathematics, using signs and letters as well as numbers. \ عِلْم الجُغْرافيا \ geography: the scientific study of the structure, produce and use of the earth’s surface. \ عِلْم الحَرْب \ warfare: the science of making war; fighting. \ عِلْم حَرَكة السوائل \ hydraulics: the science of controlling and using liquid pressure, esp. for engineering purposes. \ عِلْم الحَشَرات \ entomology: the study of insects. \ عِلْم الحَيَوان \ zoology: the scientific study of animal life. \ عِلْم الرِّياضيّات \ mathematics: the science of numbers and space; the practical use of this science: Mathematics is an exact science. maths: the usual shortening of mathematics. \ عِلْم الزراعة بدون تُربة \ hydroponics: the science of growing plants in water, without soil. \ عِلْم السِّيَاسَة \ politics: (sg. as an art or activity; pl. as personal beliefs, etc.) the art of government; the affairs of government; one’s opinions on government: Is politics an art or a science? My politics are my private concern. \ عِلْم الصحّة \ hygiene: the study and practice of how to keep good health, esp. by paying attention to cleaniness. \ عِلْم صيانة الأحراش \ forestry: the science of growing trees for man’s use as wood. \ عِلْم الطّبّ \ medicine: the science and the art of dealing with disease. \ عِلْم طَبَقات الأرض \ geology: the study of the rocks that make up the earth. \ عِلْم الطبيعة \ physics: the science of heat, light, sound, Motion, etc.: Physics is an important branch of science. \ See Also الفيزياء \ عِلْم طبيعيّ \ science: the study of the substances, forces, etc. found in nature (esp. Biology; Chemistry; Physics): Schools teach science. \ عِلْم الطُّيُور \ ornithology: the scientific study of birds. \ عِلْم الفَلَك \ astronomy: the scientific study of the stars. \ عِلْم الكِيمْياء \ chemistry: the science that studies the nature and behaviour of all substances. \ عِلْم المالية \ finance: the science of controlling money. \ See Also إدارة المال \ عِلْم المَنْطِق \ logic: the science of reasoning. \ عِلْم النَّبَات \ botany: the scientific study of plants. \ عِلْم النَّفْس \ psychology: the scientific study of the mind. \ عِلْم الهَنْدَسة \ geometry: the science of lines, angles, surfaces and solid figures, and of their measurements.