rontosecond

发音

US /ˈɹɑn.toʊˌsɛk.ənd/

词形变化

rontoseconds 复数 rontoseconds

释义与例句

n.
  1. 1.

    An SI unit of time equal to 10⁻²⁷ seconds. Symbol: rs

词源

From ronto- + second.

来源：wiktionary