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1 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.) chimie- chemical2. noun(a substance used in or obtained by a chemical process: Some chemicals give off harmful fumes.) produs chimic- chemist -
2 hard
1. adjective1) (firm; solid; not easy to break, scratch etc: The ground is too hard to dig.) tare2) (not easy to do, learn, solve etc: Is English a hard language to learn?; He is a hard man to please.) dificil3) (not feeling or showing kindness: a hard master.) dur4) ((of weather) severe: a hard winter.) aspru5) (having or causing suffering: a hard life; hard times.) greu6) ((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.) dur2. adverb1) (with great effort: He works very hard; Think hard.) din greu; serios2) (with great force; heavily: Don't hit him too hard; It was raining hard.) tare3) (with great attention: He stared hard at the man.) fix4) (to the full extent; completely: The car turned hard right.) cu totul•- 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 -
3 element
['eləmənt]1) (an essential part of anything: Sound teaching of grammar is one of the elements of a good education.) element2) (a substance that cannot be split by chemical means into simpler substances: Hydrogen, chlorine, iron and uranium are elements.) element3) (surroundings necessary for life: Water is a fish's natural element.) mediu4) (a slight amount: an element of doubt.) fărâmă5) (the heating part in an electric kettle etc.) rezistenţă, element•- elements
- in one's element -
4 reaction
[-ʃən]1) (the act of reacting: What was his reaction to your remarks?; I get a bad reaction from penicillin; I'd like to ask you for your reactions to these suggestions.) reacţie, mod de a reacţiona2) (a change of opinions, feelings etc (usually against someone or something): The new government was popular at first, but then a reaction began.) reacţie de respingere3) (a process of change which occurs when two or more substances are put together: (a) nuclear reaction; a chemical reaction between iron and acid.) reacţie -
5 synthetic
[sin'Ɵetik]noun, adjective ((a substance) produced artificially by a chemical process: nylon and other synthetic materials / synthetics.) substanţă/material sintetic; sintetic
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