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Acids

acetic acid

noun

a type of acid that is the main substance in vinegar. It is used in making drugs, plastics, and fibres.

acid

noun

a chemical substance with a ph value (=a measure used in chemistry) of less than 7

acid

adjective

containing acid or consisting of an acid

acidic

adjective

containing acid

acidify

verb

to become an acid, or cause a substance to become an acid

acidity

noun

the quality of being acid

acidity

noun

the amount of acid in a substance, for example food, water, or soil

amino acid

noun

one of the substances in the body that combine to make proteins

citric acid

noun

an acid contained in the juice of fruits such as oranges and lemons

hydrochloric acid

noun

a strong liquid chemical that is used in industry and in laboratory work

lactic acid

noun

a substance formed in sour milk and produced in muscles after physical exercise

nitric acid

noun

a dangerous chemical used in industry and for making bombs

nucleic acid

noun

an acid such as dna or rna that is found in the cells of all living things

pH

noun

a number from 0 to 14 that describes how acid or alkaline a substance is

prussic acid

noun

an extremely poisonous acid

RNA

noun

ribonucleic acid: an acid in all living cells that uses information from dna to make proteins

sulphuric acid

noun

a powerful acid that has no colour and is very corrosive (=it damages metal and burns skin)

acidification

noun

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

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Word of the Day

bottom gear

the gear that you use for driving a vehicle very slowly

Open Dictionary

subtweet

to post a tweet, usually a negative one, that mentions a person without using the @ sign, so that they will not see the message on their Twitter feed …

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