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1 chemical
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2 catalyst
[kætəlist]1) (a substance which causes or assists a chemical change in another substance without itself undergoing any permanent chemical change.) καταλύτης2) (someone or something that helps bring about a change.) καταλύτης• -
3 chemistry
['kemistri] 1. noun((the science that deals with) the nature of substances and the ways in which they act on, or combine with, each other: Chemistry was his favourite subject; the chemistry of the blood.) χημεία- chemical2. noun(a substance used in or obtained by a chemical process: Some chemicals give off harmful fumes.) χημική ουσία- chemist -
4 analysis
[ə'næləsis]plural - analyses; noun1) ((a) detailed examination of something (a sentence, a chemical compound etc) especially by breaking it up into the parts of which it is made up: The chemist is making an analysis of the poison; close analysis of the situation.) ανάλυση2) ((especially American) psycho-analysis: He is undergoing analysis for his emotional problems.) ψυχανάλυση•- analyse- analyst
- analytical -
5 analyst
['ænəlist]1) (a person who analyses: a chemical analyst.) αναλυτής2) ((especially American) a psychiatrist.) ψυχαναλυτής -
6 apparatus
[æpə'reitəs]plurals - apparatus, apparatuses; noun(machinery, tools or equipment: chemical apparatus; gymnastic apparatus.) σύνεργα -
7 caustic
['ko:stik]1) (burning by chemical action: caustic soda.) καυστικός2) ((of remarks) bitter or sarcastic: caustic comments.) δηκτικός• -
8 composition
[kompə'ziʃən]1) (something composed, eg music: his latest composition.) σύνθεση2) (the act of composing: the difficulties of composition.) σύνθεση3) (an essay written as a school exercise: The children had to write a composition about their holiday.) έκθεση ιδεών4) (the parts of which a thing is made: Have you studied the composition of the chemical?) σύσταση -
9 compound
I 1. adjective(composed of a number of parts: a compound substance.) σύνθετος2. noun(a substance, word etc formed from two or more elements: The word racetrack is a compound; chemical compounds.) σύνθετη λέξη/ χημική ένωσηII noun(a fenced or walled-in area, eg round a factory, school etc.) περίφρακτος χώρος, περίβολος -
10 element
['eləmənt]1) (an essential part of anything: Sound teaching of grammar is one of the elements of a good education.) στοιχείο2) (a substance that cannot be split by chemical means into simpler substances: Hydrogen, chlorine, iron and uranium are elements.) στοιχείο(χημικό)3) (surroundings necessary for life: Water is a fish's natural element.) περιβάλλον4) (a slight amount: an element of doubt.) ίχνος5) (the heating part in an electric kettle etc.) ηλεκτρική αντίσταση•- elements
- in one's element -
11 experiment
[ik'sperimənt] 1. noun(a test done in order to find out something, eg if an idea is correct: He performs chemical experiments; experiments in traffic control; We shall find out by experiment.) πείραμα2. verb((with on or with) to try to find out something by making tests: He experimented with various medicines to find the safest cure; The doctor experiments on animals.)- experimentally
- experimentation -
12 extract
1. [ik'strækt] verb1) (to pull out, or draw out, especially by force or with effort: I have to have a tooth extracted; Did you manage to extract the information from her?) εξάγω,αποσπώ2) (to select (passages from a book etc).) διαλέγω3) (to take out (a substance forming part of something else) by crushing or by chemical means: Vanilla essence is extracted from vanilla beans.) εξάγω, εκχυλίζω2. ['ekstrækt] noun1) (a passage selected from a book etc: a short extract from his novel.) απόσπασμα2) (a substance obtained by an extracting process: beef/yeast extract; extract of malt.) εκχύλισμα• -
13 ferment
1. [fə'ment] verb1) (to (make something) go through a particular chemical change (as when yeast is added to dough in the making of bread): Grape juice must be fermented before it becomes wine.) ζυμώνω,-ομαι2) (to excite or be excited: He is the kind of person to ferment trouble.) προκαλώ(αναβρασμό)2. ['fə:ment] noun(a state of excitement: The whole city was in a ferment.) αναβρασμός -
14 fermentation
[fə:men-]noun (the chemical change occurring when something ferments or is fermented.) ζύμωση -
15 hard
1. adjective1) (firm; solid; not easy to break, scratch etc: The ground is too hard to dig.) σκληρός2) (not easy to do, learn, solve etc: Is English a hard language to learn?; He is a hard man to please.) δύσκολος3) (not feeling or showing kindness: a hard master.) σκληρός4) ((of weather) severe: a hard winter.) βαρύς5) (having or causing suffering: a hard life; hard times.) δύσκολος6) ((of water) containing many chemical salts and so not easily forming bubbles when soap is added: The water is hard in this part of the country.) σκληρός2. adverb1) (with great effort: He works very hard; Think hard.) σκληρά2) (with great force; heavily: Don't hit him too hard; It was raining hard.) δυνατά3) (with great attention: He stared hard at the man.) επίμονα4) (to the full extent; completely: The car turned hard right.) εντελώς•- harden- hardness
- hardship
- hard-and-fast
- hard-back
- hard-boiled
- harddisk
- hard-earned
- hard-headed
- hard-hearted
- hardware
- hard-wearing
- be hard on
- hard at it
- hard done by
- hard lines/luck
- hard of hearing
- a hard time of it
- a hard time
- hard up -
16 insect repellent
noun (a chemical preparation that repels insects.) εντομοαπωθητικό -
17 insoluble
[in'soljubl]1) ((of a substance) impossible to dissolve: This chemical is insoluble (in water).) αδιάλυτος2) ((of a problem or difficulty) impossible to solve.) άλυτος• -
18 mothball
noun (a small ball of a chemical used to protect clothes from clothes moths.) ναφθαλίνη -
19 petrochemical
[petrə'kemikəl](any chemical obtained from petroleum or natural gas: the petrochemical industry.) πετροχημικός -
20 preservative
[-vətiv]noun (something that preserves, especially that prevents food etc from going bad: a chemical preservative.) συντηρητικό
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См. также в других словарях:
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chemical — [[t]ke̱mɪk(ə)l[/t]] ♦♦ chemicals 1) ADJ: ADJ n Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of. ...chemical reactions that cause ozone destruction.… … English dictionary
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