microgram

名词 n.
中文释义

英文释义

名词 n.
  1. An SI unit of mass equal to 10⁻⁶ grams. Symbol: μg A unit of mass equal to one millionth of a gram, or 0.000 001 grams.
    — Holonyms: milligram < gram < kilogram < megagram < gigagram

词形变化

micrograms plural

词源

Etymology tree
Proto-Indo-European *mey-der.?
Ancient Greek μικρός (mikrós)der.
English micro-
English gram
English microgram
From micro- + gram.
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