Macmillan Dictionary

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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

charticle

a news article that consists of a chart … and only has a small amount of text

BuzzWord Article

Word of the Day

picture messaging

the sending of images and photographs from one mobile phone to another

Open Dictionary

never event

an event that should never occur in a healthcare setting …

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