초가 · 초를
second (of time)
Example
이 문제는 삼십 초 안에 풀어야 해요.
You have to solve this problem within thirty seconds.
Word parts
초 second
Homonym warning: other 초 words mean 'candle' and 'beginning (of a period)'.
Good to know
Seconds use Sino-Korean numbers: 십 초, 삼십 초.
Related words