ronnametre

词形变化

ronnametres 复数 ronnametres

别名

ronnameter

释义与例句

n.
  1. 1.

    An SI unit of length equal to 10²⁷ metres. Symbol: Rm

    英国

    Holonym: quettametre

    Meronyms: picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre < zettametre < yottametre

    The observable universe is about one ronnametre in diameter.

词源

From ronna- + metre.

来源：wiktionary