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Products of chemical reactions and processes

crystal

noun

a piece of a substance that has a regular shape with many sides and is formed when the substance becomes solid

dioxin

noun

a poisonous chemical produced during the process of making chemicals for killing plants

distillate

noun

a liquid that has been distilled

filtrate

noun

a liquid or gas that has passed through a filter in order to remove solid parts that are not wanted from it

limescale

noun

a hard white or grey substance that forms in pipes and kettles (=containers used for heating water)

precipitate

noun

a solid substance that has been separated from a liquid it was in

product

noun

a substance that is produced as a result of a chemical reaction in organic (=living) and inorganic (=not living) things

residue

noun

a substance that remains after a chemical process

rust

noun

the rough red substance that damages the surface of iron and steel

scale

noun

a hard white substance that forms on the inside of water pipes and containers that are regularly used for heating water

hostile architecture

the design of buildings or public spaces in a way which discourages people from touching, climbing or sitting on them …

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boots on the ground

a situation in which a country's armed forces are physically present in an area of conflict …

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