反切

fǎnqiè
traditional system expressing the phonetic value of a Chinese character using two other characters, the first for the initial consonant, the second for the rhyme and tone

CEDICT

Entry Composition

1 反 fǎn
  1. contrary
  2. in reverse
  3. inside out or upside down
  4. to reverse
  5. to return
  6. to oppose
  7. opposite
  8. against
  9. anti-
  10. to rebel
  11. to use analogy
  12. instead
  13. abbr. for 反切 fǎnqiè phonetic system
2 切 qiè
  1. definitely; absolutely (not)
  2. (scoffing or dismissive interjection) Yeah, right.; Tut!
  3. to grind
  4. (bound form) close to
  5. (bound form) eager
  6. to correspond to
  7. (used to indicate that the fanqie 反切 fǎnqiè system should be applied to the previous two characters)