[ soo-bi-tahyz ]
/ ˈsu bɪˌtaɪz /
verb (used without object), su·bi·tized, su·bi·tiz·ing. Psychology.
to perceive at a glance the number of items presented, the limit for humans being about seven.
Also especially British, su·bi·tise.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for subitize
/ (ˈsʌbɪˌtaɪz) /
psychol to perceive the number of (a group of items) at a glance and without countingthe maximum number of items that can be subitized is about five
Word Origin for subitize
C20: from Latin subitus sudden + -ize
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