Chinese edit

fast; quick; swift
 
child; son; (noun suffix)
child; son; (noun suffix); small thing; seed; egg; 1st earthly branch; 11 p.m.–1 a.m., midnight
trad. (快子)
simp. #(快子)
 
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Noun edit

快子

  1. (physics) tachyon

Synonyms edit