[ thahy-uh-feen ]
/ ˈθaɪ əˌfin /

noun Chemistry.

a water-insoluble, colorless liquid, C4H4S, resembling benzene, occurring in crude coal-tar benzene: used chiefly as a solvent and in organic synthesis.
Also thi·o·phen [thahy-uh-fen] /ˈθaɪ əˌfɛn/.

Origin of thiophene

1880–85; thio- + -phene, word-final variant of phen- Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for thiophen


thiophene (ˈθaɪəʊˌfiːn)

/ (ˈθaɪəʊˌfɛn) /


a colourless liquid heterocyclic compound found in the benzene fraction of coal tar and manufactured from butane and sulphur. It has an odour resembling that of benzene and is used as a solvent and in the manufacture of dyes, pharmaceuticals, and resins. Formula: C 4 H 4 SAlso called: thiofuran
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

Science definitions for thiophen


[ thīə-fēn′ ]

A colorless liquid used as a solvent. The chemical properties of thiophene resemble those of benzene, which occurs with it in coal tar. Thiophene has a ring of four carbon atoms and one sulfur atom, and among its derivatives are biotin, various plant pigments, and some pharmaceuticals. Chemical formula: C4H4S.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.