開合

to open and close

to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format

100 ml / one-tenth of a peck / measure for dry grain equal to one-tenth of sheng 升 or liter, or one-hundredth dou 斗

to close / to join / to fit / to be equal to / whole / together / round (in battle) / conjunction (astronomy) / 1st note of pentatonic scale / old variant of 盒[he2]

variant of 合[he2]

variant of 信口開河|信口开河[xin4 kou3 kai1 he2]