isoelectric point

American

noun

Chemistry.

the pH at which a substance is electrically neutral or at which it is at its minimum ionization.

isoelectric point British

noun

biochem the pH value at which the net electric charge of a molecule, such as a protein or amino acid, is zero

"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

Etymology

Origin of isoelectric point

First recorded in 1895–1900

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