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1 chemical
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2 chemical warfare
• chemická válka -
3 catalyst
[kætəlist]1) (a substance which causes or assists a chemical change in another substance without itself undergoing any permanent chemical change.) katalyzátor2) (someone or something that helps bring about a change.) katalyzátor•* * *• katalyzátor -
4 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.) chemie- chemical2. noun(a substance used in or obtained by a chemical process: Some chemicals give off harmful fumes.) chemikálie- chemist* * *• chemie -
5 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.) rozbor2) ((especially American) psycho-analysis: He is undergoing analysis for his emotional problems.) psychoanalýza•- analyse- analyst
- analytical* * *• rozbor• analýza -
6 analyst
['ænəlist]1) (a person who analyses: a chemical analyst.) analytik2) ((especially American) a psychiatrist.) psychoanalytik* * *• laborant• analytik -
7 apparatus
[æpə'reitəs]plurals - apparatus, apparatuses; noun(machinery, tools or equipment: chemical apparatus; gymnastic apparatus.) přístroj, zařízení, nářadí* * *• přístroj• aparát -
8 caustic
['ko:stik]1) (burning by chemical action: caustic soda.) žíravý2) ((of remarks) bitter or sarcastic: caustic comments.) jízlivý, sarkastický•* * *• žíravý• leptavý -
9 composition
[kompə'ziʃən]1) (something composed, eg music: his latest composition.) skladba2) (the act of composing: the difficulties of composition.) skládání3) (an essay written as a school exercise: The children had to write a composition about their holiday.) kompozice4) (the parts of which a thing is made: Have you studied the composition of the chemical?) složení* * *• skladba• složení• kompozice -
10 compound
I 1. adjective(composed of a number of parts: a compound substance.) složený2. noun(a substance, word etc formed from two or more elements: The word racetrack is a compound; chemical compounds.) složenina; sloučeninaII noun(a fenced or walled-in area, eg round a factory, school etc.) ohrazené místo, opevněný objekt* * *• složenina• složitý• složení• smíchat• složený• sloučenina -
11 element
['eləmənt]1) (an essential part of anything: Sound teaching of grammar is one of the elements of a good education.) základní součást2) (a substance that cannot be split by chemical means into simpler substances: Hydrogen, chlorine, iron and uranium are elements.) prvek3) (surroundings necessary for life: Water is a fish's natural element.) živel4) (a slight amount: an element of doubt.) nádech5) (the heating part in an electric kettle etc.) tělísko•- elements
- in one's element* * *• živel• prvek• element -
12 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.) pokus2. 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.) experimentovat- experimentally
- experimentation* * *• pokus• experiment• experimentovat -
13 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?) vytáhnout2) (to select (passages from a book etc).) vypsat si3) (to take out (a substance forming part of something else) by crushing or by chemical means: Vanilla essence is extracted from vanilla beans.) extrahovat2. ['ekstrækt] noun1) (a passage selected from a book etc: a short extract from his novel.) výtah2) (a substance obtained by an extracting process: beef/yeast extract; extract of malt.) výtažek•* * *• těžit• výtažek• vytěžit• vyluhovat• vytahovat• výtah• vyloudit• extrakt• extrahovat• koncentrát• dobývat -
14 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.) kvasit2) (to excite or be excited: He is the kind of person to ferment trouble.) vyvolávat, působit2. ['fə:ment] noun(a state of excitement: The whole city was in a ferment.) neklid, kvas* * *• fermentovat• kvašení• kvasnice -
15 fermentation
[fə:men-]noun (the chemical change occurring when something ferments or is fermented.) kvašení* * *• fermentace• kvašení -
16 hard
1. adjective1) (firm; solid; not easy to break, scratch etc: The ground is too hard to dig.) tvrdý2) (not easy to do, learn, solve etc: Is English a hard language to learn?; He is a hard man to please.) nesnadný3) (not feeling or showing kindness: a hard master.) přísný4) ((of weather) severe: a hard winter.) tuhý5) (having or causing suffering: a hard life; hard times.) těžký6) ((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.) tvrdý2. adverb1) (with great effort: He works very hard; Think hard.) usilovně2) (with great force; heavily: Don't hit him too hard; It was raining hard.) silně, hodně3) (with great attention: He stared hard at the man.) upřeně4) (to the full extent; completely: The car turned hard right.) úplně, zcela•- 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* * *• těžký• tvrdě• vážný• tvrdý• tuhý• zatvrzelý• pilně• pevný• perný• obtížný• hrubý• krutý• krutě• natvrdo• nesnadný• bezcitný -
17 insoluble
[in'soljubl]1) ((of a substance) impossible to dissolve: This chemical is insoluble (in water).) nerozpustný2) ((of a problem or difficulty) impossible to solve.) neřešitelný•* * *• neřešitelný• nerozpustný• nerozluštitelný -
18 mothball
noun (a small ball of a chemical used to protect clothes from clothes moths.) naftalín* * *• naftalín• naftalínová kulička -
19 petrochemical
[petrə'kemikəl](any chemical obtained from petroleum or natural gas: the petrochemical industry.) petrochemický* * *• petrochemický -
20 preservative
[-vətiv]noun (something that preserves, especially that prevents food etc from going bad: a chemical preservative.) konzervační prosředek* * *• ochranný• konzervační
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См. также в других словарях:
Chemical — Chem ic*al, a. Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations. [1913 Webster] {Chemical attraction} or {Chemical… … The Collaborative International Dictionary of English
chemical — [kem′i kəl] adj. [ CHEMIC + AL] 1. of or having to do with chemistry 2. made by or used in chemistry 3. operated or made by the use of chemicals [chemical burns ] ☆ 4. of or involving the use of a drug, alcoholic liquor, etc. [chemical… … English World dictionary
chemical — Ⅰ. chemical UK US /ˈkemɪkəl/ noun [C] ► any basic substance which is used in or produced by a reaction involving changes to atoms or molecules: »The government has pledged to reduce the amount of chemicals used in food production. »Each year,… … Financial and business terms
Chemical — Chem ic*al, n. A substance used for producing a chemical effect; a reagent. [1913 Webster] … The Collaborative International Dictionary of English
chemical — (adj.) 1570s, from chemic of alchemy (a worn down derivative of M.L. alchimicus; see ALCHEMY (Cf. alchemy)) + AL (Cf. al) (1). Related: Chemically … Etymology dictionary
chemical — [adj] concerned with atom and molecule change actinic, alchemical, enzymatic, synthesized, synthetic, synthetical; concept 536 … New thesaurus
chemical — ► ADJECTIVE ▪ relating to chemistry or chemicals. ► NOUN ▪ a distinct compound or substance, especially one which has been artificially prepared or purified. DERIVATIVES chemically adverb. ORIGIN French chimique, from Latin alchimia alchemy … English terms dictionary
chemical — chemically, adv. /kem i keuhl/, n. 1. a substance produced by or used in a chemical process. 2. chemicals, Slang. narcotic or mind altering drugs or substances. adj. 3. of, used in, produced by, or concerned with chemistry or chemicals: a… … Universalium
chemical — Relating to chemistry. * * * chem·i·cal kem i kəl adj 1) of, relating to, used in, or produced by chemistry 2 a) acting or operated or produced by chemicals b) detectable by chemical means chem·i·cal·ly i k(ə )lē adv chemical n … Medical dictionary
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
chemical — adj. & n. adj. of, made by, or employing chemistry or chemicals. n. a substance obtained or used in chemistry. Phrases and idioms: chemical bond the force holding atoms together in a molecule or crystal. chemical engineer one engaged in chemical… … Useful english dictionary
