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pico-

Pronunciation: /ˈpiːkəʊ, ˈpʌɪkəʊ/

Definition of pico-

combining form

  • (used in units of measurement) denoting a factor of 10−12:picosecond
  • very small:picornavirus

Origin:

from Spanish pico, literally 'beak, peak, little bit'

pico- in other Oxford dictionaries

Definition of pico- in the US English dictionary

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