picogram

名词 n.
中文释义

英文释义

名词 n.
  1. An SI unit of mass equal to 10⁻¹² grams. Symbol: pg
    — Holonyms: nanogram < microgram < milligram < gram < kilogram < megagram < gigagram

词形变化

picograms plural picogramme alternative,UK

词源

Etymology tree
Proto-Celtic *bekkos
Gaulish *bekkosbor.?
Latin beccus
Old Spanish bico
Spanish picobor.
English pico-
English gram
English picogram
From pico- + gram.
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