molecular English · revision 7887

+ {{infobox|confidence=established|formation=derivation|attested=1770}}

+

+ ==Pronunciation==

+ * IPA: /məˈlɛk.jʊ.lə/ ''(UK)''; /məˈlɛk.jə.ləɹ/, /məˈlɛk.ju.ləɹ/ ''(US)''^(Wiktionary)

+

+ ==Etymology==

+ It is formed from [[molecule]] and -ar, or from French moléculaire or Modern Latin molecularis;^(Etymonline) MWU treats it as an International Scientific Vocabulary formation.^(MWU 2024)

+

+ ==Earliest recorded meaning==

+ Relating to or consisting of molecules: 1770 in MWU,^(MWU 2024) by 1815 in Etymonline, 1823 in the OED.^(Etymonline)^(OED 1989)

+

+ ==Semantic evolution==

+ Of a branch of science dealing with molecular phenomena it is from 1880,^(OED 1989) and ''molecular biology'' is attested by 1950.^(Etymonline) In logic and philosophy a molecular proposition, made of simpler ones, is from 1892,^(OED 1989)^(Collins 2023) and in psychology an elementary unit of behaviour from 1925.^(OED 1989) Concerned with a basic level of a subject is from 1953.^(OED 1989)^(AHD)

+

+ ==Timeline==

+ * 1770 – first known use.^(MWU 2024)

+ * 1823 – in the OED.^(OED 1989)

+ * 1880 – of a branch of science.^(OED 1989)

+ * 1892 – in logic.^(OED 1989)

+ * 1950 – molecular biology.^(Etymonline)

+

+ ==Modern meaning==

+ ===Adjective===

+ # Of, relating to or made up of [[molecule|alt=molecules]].^(AHD)^(Collins 2023)

+ # Of or relating to basic structure or form.^(AHD)^(OED 1989)

+ # ''(logic)'' Of a sentence or formula, able to be analysed into atomic ones.^(Collins 2023)^(OED 1989)

+

+ ==Word family==

+ * [[molecularity]]

+ * [[molecularly]]

+ * [[bimolecular]]

+ * [[equimolecular]]

+ * [[intermolecular]]

+ * [[intramolecular]]

+ * [[monomolecular]]

+ * [[multimolecular]]

+

+ ==Related words==

+ * [[molecule]]

+ * [[mole]]

+

+ ==References==

+ {{reflist}}