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Showing results for heterocyclic. Search instead for heterocyclics.

heterocyclic

American  
[het-er-uh-sahy-klik, -sik-lik] / ˌhɛt ər əˈsaɪ klɪk, -ˈsɪk lɪk /

adjective

Chemistry.
  1. 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).

  2. noting such compounds, as ethylene oxide, C 2 H 4 O.


heterocyclic British  
/ ˌhɛtərəʊˈsaɪklɪk, -ˈsɪk- /

adjective

  1. (of an organic compound) containing a closed ring of atoms, at least one of which is not a carbon atom Compare 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

heterocyclic Scientific  
/ hĕt′ə-rō-sī′klĭk,-sĭk′lĭk /
  1. 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.

  2. Compare homocyclic


Other Word Forms


Etymology

Origin of heterocyclic

First recorded in 1895–1900; hetero- + cyclic


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

First, Herzon and his team avoided constructing a reactive heterocyclic ring, known as an indole, until the end of the process.

From Science Daily ● Feb. 22, 2024

And cooking chicken and other meats at high temperatures can form heterocyclic amines, which are carcinogens.

From Washington Post ● Mar. 2, 2023

A heterocyclic compound contains atoms of two or more different elements in its ring structure.

From Textbooks ● Feb. 14, 2019

These other suspects include haem iron – a substance that is abundant in all red meat, processed or not – and heterocyclic amines: chemicals that form in meat during cooking.

From The Guardian ● Mar. 1, 2018

Carbocyclic rings will next be treated, benzene and its allies in some detail; and finally the heterocyclic nuclei.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

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