- to perceive at a glance the number of items presented, the limit for humans being about seven.
Also especially British, su·bi·tise.
Origin of subitize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
C20: from Latin subitus sudden + -ize