- 1the scientific study of the structure of substances, how they react when they are 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 see biochemistry
- 2(technology) the chemical structure and behavior 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.
- 3the relationship between two people, usually a strong sexual attraction sexual chemistry The chemistry just wasn't right.
Check pronunciation: chemistry