nanogram

名词 n.
中文释义

英文释义

名词 n.
  1. An SI unit of mass equal to 10⁻⁹ grams. Symbol: ng
    — Holonyms: microgram < milligram < gram < kilogram < megagram < gigagram

词形变化

nanograms plural

词源

Etymology tree
Ancient Greek νᾶνος (nânos)bor.
Latin nānusbor.
English nano-
English gram
English nanogram
From nano- + gram.
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