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quinquevalent

American  
[kwing-kwuh-vey-luhnt, kwin-, kwin-kwev-uh-luhnt, kwing-] / ˌkwɪŋ kwəˈveɪ lənt, ˌkwɪn-, kwɪnˈkwɛv ə lənt, kwɪŋ- /

adjective

Chemistry.

  1. pentavalent.

  2. exhibiting five valences, as phosphorus with valences 5, 4, 3, 1, and −3.

quinquevalent British  
/ ˌkwɪŋkwɪˈveɪləns, kwɪnˈkwɛvələns, ˌkwɪŋkwɪˈveɪlənt, kwɪnˈkwɛvələnt /

adjective

  1. chem another word for pentavalent

"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

Other Word Forms

  • quinquevalence noun
  • quinquevalency noun

Etymology

Origin of quinquevalent

First recorded in 1875–80; quinque- + -valent

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.