Pronunciation: (kem'u-strē),[key] —n., —pl.-tries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2).
2. chemical properties, reactions, phenomena, etc.: the chemistry of carbon. 3. the interaction of one personality with another: The chemistry between him and his boss was all wrong. 4. sympathetic understanding; rapport: the astonishing chemistry between the actors. 5. any or all of the elements that make up something: the chemistry of love.