chemistry

Universal Words noun [U] 1 the scientific study of the structure of substances, how they react when combined or in contact with one another, and how they behave under different conditions: a degree in chemistry * the university's chemistry department * inorganic / organic chemistry seealsoBIOCHEMISTRY 2 (technical) the chemical structure and behaviour of a particular substance: the chemistry of copper * We do not fully understand the chemistry of genes. * The patient's blood chemistry was monitored regularly. 3 the relationship between two people, usually a strong sexual attraction: sexual chemistry * The chemistry just wasn't right.