femtogram

名词 n.
中文释义

英文释义

名词 n.
  1. An SI unit of mass equal to 10⁻¹⁵ grams. Symbol: fg

词形变化

femtograms plural femtogramme alternative,UK

词源

Etymology tree
Proto-Indo-European *pénkʷe
Proto-Germanic *fimf
Proto-Indo-European *déḱm̥
Proto-Germanic *tehun
Proto-Germanic *fimftehun
Old Norse fimmtánder.
Danish femtender.
English femto-
English gram
English femtogram
From femto- + gram.
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