开
- to open (transitive or intransitive)
- (of ships, vehicles, troops etc) to start
- to turn on; to put in operation; to operate; to run
- to boil
- to write out (a prescription, check, invoice etc)
- (directional complement) away; off
- carat (gold)
- abbr. for Kelvin, 开尔文
- abbr. for 开本 , book format