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pico-

combining form

Definition of pico-

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

  2. 2 :  very small <picornavirus>



Origin of pico-

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


Learn More about pico-

  1. Medical Dictionary: Definition of "pico-" Britannica.com: Encyclopedia article about "pico-"


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