polybasic

[ pol-ee-bey-sik ]
/ ˌpɒl iˈbeɪ sɪk /
|

adjective Chemistry.

(of an acid) having two or more atoms of replaceable hydrogen.

Origin of polybasic

First recorded in 1835–45; poly- + basic
Related formspol·y·ba·sic·i·ty [pol-ee-bey-sis-i-tee] /ˌpɒl i beɪˈsɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for polybasic

British Dictionary definitions for polybasic

polybasic

/ (ˌpɒlɪˈbeɪsɪk) /

adjective

(of an acid) having two or more replaceable hydrogen atoms per molecule
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

Medicine definitions for polybasic

polybasic

[ pŏl′ē-bāsĭk ]

adj.

Of or relating to an acid that has two or more hydrogen atoms that can be replaced by basic atoms or radicals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for polybasic

polybasic

[ pŏl′ē-bāsĭk ]

Of or relating to an acid that has two or more hydrogen atoms per molecule that can be replaced by basic atoms or radicals.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.