PICO-


Meaning of PICO- in English

/ ˈpiːkəʊ-; ˈpaɪkəʊ-; NAmE -koʊ-/ combining form

(in nouns; used in units of measurement) 10 -12 ; one million millionth

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WORD ORIGIN

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

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.