idiom; set phrase; idiomatic phrase
idiomatic expression; idiom; fixed expression
customary; usual; common; ordinary; idiomatic
simplified form (of a kanji); any of 22 simplified non-joyo kanji variants commonly used in print
reading (of a word) that has become accepted through popular usage
popularly accepted "on" reading of a kanji (as opposed to those derived from Chinese)
common name; popular name; trivial name
conventional cryptosystem
conventional cryptosystem