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Rapidly vs Subitize - What's the difference?

rapidly | subitize |

As an adverb rapidly

is with speed; in a rapid manner.

As a verb subitize is

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

rapidly

English

Adverb

(en adverb)
  • With speed; in a rapid manner.
  • *
  • , title=(The Celebrity), chapter=5 , passage=We expressed our readiness, and in ten minutes were in the station wagon, rolling rapidly down the long drive, for it was then after nine. We passed on the way the van of the guests from Asquith.}}
  • *{{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
  • , title= The attack of the MOOCs , passage=Since the launch early last year of […] two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. University brands built in some cases over centuries have been forced to contemplate the possibility that information technology will rapidly make their existing business model obsolete.}}

    Synonyms

    * (with speed) quickly, speedily * See also

    subitize

    English

    Alternative forms

    * subitise (mainly UK )

    Verb

    (subitizing and counting)
  • to judge (the number of objects in a group) rapidly, accurately and confidently without counting them
  • to have the ability of judging the number of objects in a group in this way