Correct
反切
/ fǎnqiè /
Strokes
Definition
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
Example
As a Noun
a method of demonstrating the pronunciation of a Chinese character by using two other Chinese characters, the first with the same initial consonant and the other with the same final vowel as the character in question ［such as the pronunciation of塑is indicated as 桑故切 or 桑故反］