heterocyclic

[ het-er-uh-sahy-klik, -sik-lik ]

/ ˌhɛt ər əˈsaɪ klɪk, -ˈsɪk lɪk /

adjective Chemistry.

of or relating to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).

noting such compounds, as ethylene oxide, C2H4O.

Origin of heterocyclic

First recorded in 1895–1900; hetero- + cyclic

OTHER WORDS FROM heterocyclic

het·er·o·cy·cle

[het-er-uh-sahy-kuhl], /ˈhɛt ər əˌsaɪ kəl/, noun

Words nearby heterocyclic

heterochrony, heterochthonous, heterocladic anastomosis, heteroclite, heterocrine, heterocyclic, heterocyst, heterocytotropic, heterocytotropic antibody, heterodactyl, heterodactylous

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for heterocyclic

Carbocyclic rings will next be treated, benzene and its allies in some detail; and finally the heterocyclic nuclei.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1|Various

British Dictionary definitions for heterocyclic

heterocyclic

/ (ˌhɛtərəʊˈsaɪklɪk, -ˈsɪk-) /

adjective

(of an organic compound) containing a closed ring of atoms, at least one of which is not a carbon atomCompare homocyclic

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for heterocyclic

heterocyclic

[ hĕt′ə-rō-sī′klĭk, -sĭk′lĭk ]

adj.

Containing more than one kind of atom joined in a ring.

Scientific definitions for heterocyclic

heterocyclic

[ hĕt′ə-rō-sī′klĭk, -sĭk′lĭk ]

Of or relating to a compound containing a closed ring structure made of more than one kind of atom. Pyridine (C5H5N), for example, is a heterocyclic compound, as its ring contains five carbon atoms and one nitrogen atom. Compare homocyclic.

单词	heterocyclic
释义	heterocyclic [ het-er-uh-sahy-klik, -sik-lik ] / ˌhɛt ər əˈsaɪ klɪk, -ˈsɪk lɪk / adjective Chemistry. of or relating to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic). noting such compounds, as ethylene oxide, C2H4O. Origin of heterocyclic First recorded in 1895–1900; hetero- + cyclic OTHER WORDS FROM heterocyclic het·er·o·cy·cle [het-er-uh-sahy-kuhl], /ˈhɛt ər əˌsaɪ kəl/, noun Words nearby heterocyclic heterochrony, heterochthonous, heterocladic anastomosis, heteroclite, heterocrine, heterocyclic, heterocyst, heterocytotropic, heterocytotropic antibody, heterodactyl, heterodactylous Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for heterocyclic Carbocyclic rings will next be treated, benzene and its allies in some detail; and finally the heterocyclic nuclei. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1\|Various British Dictionary definitions for heterocyclic heterocyclic / (ˌhɛtərəʊˈsaɪklɪk, -ˈsɪk-) / adjective (of an organic compound) containing a closed ring of atoms, at least one of which is not a carbon atomCompare homocyclic Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for heterocyclic heterocyclic [ hĕt′ə-rō-sī′klĭk, -sĭk′lĭk ] adj. Containing more than one kind of atom joined in a ring. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for heterocyclic heterocyclic [ hĕt′ə-rō-sī′klĭk, -sĭk′lĭk ] Of or relating to a compound containing a closed ring structure made of more than one kind of atom. Pyridine (C5H5N), for example, is a heterocyclic compound, as its ring contains five carbon atoms and one nitrogen atom. Compare homocyclic. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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