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pentavalent

[ pen-tuh-vey-luhnt, pen-tav-uh- ]
/ ˌpɛn təˈveɪ lənt, pɛnˈtæv ə- /
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adjective Chemistry.
having a valence of 5: pentavalent arsenic.
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Origin of pentavalent

First recorded in 1870–75; penta- + -valent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for pentavalent

pentavalent
/ (ˌpɛntəˈveɪlənt) /

adjective
chem having a valency of fiveAlso: quinquevalent
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
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