|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|—n , pl -tries|
|1.||inorganic chemistry organic chemistry See also physical chemistry the branch of physical science concerned with the composition, properties, and reactions of substances|
|2.||the composition, properties, and reactions of a particular substance|
|3.||the nature and effects of any complex phenomenon: the chemistry of humour|
|4.||informal a reaction, taken to be instinctual, between two persons|
|[C17: from earlier chimistrie, from chimist|
chemistry chem·is·try (kěm'ĭ-strē)
The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.
The composition, structure, properties, and reactions of a substance.
|chemistry (kěm'ĭ-strē) Pronunciation Key