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heterocyclic
[ het-er-uh-sahy-klik, -sik-lik ]
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 ( homocyclic ).
- noting such compounds, as ethylene oxide, C 2 H 4 O.
heterocyclic
/ -ˈsɪk-; ˌhɛtərəʊˈsaɪklɪk /
adjective
- (of an organic compound) containing a closed ring of atoms, at least one of which is not a carbon atom Compare homocyclic
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 (C 5 H 5 N), for example, is a heterocyclic compound, as its ring contains five carbon atoms and one nitrogen atom.
- Compare homocyclic
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Other Words From
- het·er·o·cy·cle [het, -er-, uh, -sahy-k, uh, l], noun
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Word History and Origins
Origin of heterocyclic1
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Example Sentences
Carbocyclic rings will next be treated, benzene and its allies in some detail; and finally the heterocyclic nuclei.
From Project Gutenberg
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