pico-

combining form

Definition of pico-

  1. 1 :  one trillionth (10−12) part of picogram

  2. 2 :  very small picornavirus

Origin and Etymology of pico-

International Scientific Vocabulary, probably from Spanish pico small amount, literally, peak, beak


Medical Dictionary

pico-

combining form

Medical Definition of pico-

  1. 1:  one trillionth (10−12) part of picogram

  2. 2:  very small picornavirus


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