1the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
the chemical composition and properties of a substance or body:the patient’s blood chemistry was monitored regularly [count noun]:the chemistries of other galaxies
2the complex emotional or psychological interaction between people:their affair was triggered by intense sexual chemistry
chemistry in other Oxford dictionaries
Definition of chemistry in the US English dictionary
