[kem-uh-stree] /ˈkɛm ə stri/

noun, plural chemistries.
the science that deals with the composition and properties of substances and various elementary forms of matter.
Compare (def 2).
properties, reactions, phenomena, etc.:
the chemistry of carbon.
the interaction of one personality with another:
The chemistry between him and his boss was all wrong.
sympathetic understanding; rapport:
the astonishing chemistry between the actors.
any or all of the elements that make up something:
the chemistry of love.
noun (pl) -tries
the branch of physical science concerned with the composition, properties, and reactions of substances See also inorganic chemistry, organic chemistry, physical chemistry
the composition, properties, and reactions of a particular substance
the nature and effects of any complex phenomenon: the chemistry of humour
(informal) a reaction, taken to be instinctual, between two persons

c.1600, “alchemy,” from chemist + -ry; also see chemical (adj.). The meaning “natural physical process” is 1640s, and the scientific study not so called until 1788. The figurative sense of “instinctual attraction or affinity” is attested slightly earlier, from the alchemical sense.

chemistry chem·is·try (kěm’ĭ-strē)
Abbr. chem.


The study of the composition, properties, and reactions of matter, particularly at the level of atoms and molecules.


Feelings between persons; attractions and repulsions, but mainly attractions: Miss McElderry feels the unusual chemistry between her and Mr Pfeiffer has been beneficial/ He also struck up what one aide calls ”instant chemistry” with US Secretary of State George Shultz


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