surface+geometry

I [pleɪn] طائِرَه مُسْتَوى سَطْح مُسْتَوٍ يتَحَرَّك بِنُعومَه على سَطْحِ الشَّيء II [pleɪn] فأْرَة النَّجّار يَسْحَج بالفأرَه III [pleɪn] noun صِنّار، شَجْرَة الدُّلْب

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.