chemistry

== English == === Etymology === First coined 1605, from chemist +‎ -ry. From chemist, chymist, from Latin alchimista, from Arabic اَلْكِيمِيَاء (al-kīmiyāʔ), from article اَل (al-) + Ancient Greek χυμεία (khumeía, “art of alloying metals”), from χύμα (khúma, “fluid”), from χυμός (khumós, “juice”), from χέω (khéō, “to pour”). === Pronunciation === enPR: kĕm'ĭstrē, IPA(key): /ˈkɛm.ɪ.stɹi/ === Noun === chemistry (countable and uncountable, plural chemistries) (uncountable) The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alterations in the constitution of their molecules. (countable) An application of chemical theory and method to a particular substance. The chemical properties and reactions of a particular organism, environment etc. (informal) The mutual attraction between two people; rapport. (medicine, countable, informal, sometimes proscribed) A blood test to measure the amount of various components of the serum (such as electrolytes, creatinine, and glucose). Coordinate term: serology ==== Usage notes ==== Historical note: This word and its derivatives were formerly spelled chy- or sometimes chi- (i.e., chymistry, chymist, chymical, etc., or chimistry, chimist, chimical, etc.) with pronunciation depending on the spelling. Chymistry is now sometimes used specifically to refer to sixteenth- and seventeenth-century chemistry, when it was not yet fully distinct from alchemy. ==== Meronyms ==== See also Thesaurus:chemistry ==== Derived terms ==== ==== Related terms ==== ==== Descendants ==== → Amharic: ኬሚስትሪ (kemistri) ==== Translations ====