subitize

English dictionary entry

Meanings

verb

To judge (the number of objects in a group) rapidly, accurately and confidently without counting them.

/ˈsʌbɪtaɪz/

subitize subitizes subitizing subitized subitise

From Latin subitus (“sudden; unexpected”) + -ize, from the feeling of immediately knowing the number of items present.

subitive numeron French numéron

subitizable subitizer

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