Subitize - definition of subitize by The Free Dictionary
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subitize (ˈsʌbɪˌtaɪz) or
(Psychology) psychol to perceive the number of (a group of items) at a glance and without counting: the maximum number of items that can be subitized is about five.
[C20: from Latin subitus sudden + -ize]
Past participle: subitized
References in periodicals archive
("instant recognition of a small quantity, between 1 and 4, without appearing to count how many" [Montague-Smith, 1998]) small amounts (1-6)