wèi​zhī​shù HSK7

unknown number

未知数 未知數 wèi​zhī​shù
unknown number noun
a number in an algebraic expression or equation whose value is not yet known; usually represented by a letter such as x or y
an unknown
something that is not yet known or certain; a factor that remains unclear

Frequency

Movie subtitles
0.510 per million appears in 0% of films
Written text
2.68 per million

Details

HSK 3.0
Level 7

Cross-References

Antonym

Has erhua variant

Sources