noun

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

noun

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

adjective

containing acid or consisting of an acid

adjective

containing acid

verb

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

noun

the quality of being acid

noun

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

noun

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

noun

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

noun

an amino acid produced in the body. Too much homocysteine in the blood may increase a person’s risk of heart disease.

noun

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

noun

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

noun

a dangerous chemical used in industry and for making bombs

noun

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

noun

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

noun

an extremely poisonous acid

noun

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

noun

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

noun