subitize [ soo-bi-tahyz ]
verb (used without object), su·bi·tized, su·bi·tiz·ing. Psychology.
1. to perceive at a glance the number of items presented, the limit for humans being about seven.
Also especially British, su·bi·tise.
Origin: 1949; < Latin subit(us) sudden or Late Latin subit(are) to appear suddenly (see subito) + -ize
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