subgroup

[ suhb-groop ]
/ ˈsʌbˌgrup /

noun

a subordinate group; a division of a group.
Chemistry. a division of a group in the periodic table.
Mathematics. a subset of a group that is closed under the group operation and in which every element has an inverse in the subset.

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earnest

Origin of subgroup

First recorded in 1835–45; sub- + group
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for subgroup

British Dictionary definitions for subgroup

subgroup
/ (ˈsʌbˌɡruːp) /

noun

a distinct and often subordinate division of a group
a mathematical group whose members are members of another group, both groups being subject to the same rule of combination
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