清零

to restore sth to its initial state / to reset (an odometer etc) / to empty (a bank account) / to eradicate (a disease) / (computing) to clear (memory) / to zero (a hard drive)

Qing (Wade-Giles: Ch'ing) dynasty of imperial China (1644-1911) / surname Qing

clear / distinct / quiet / just and honest / pure / to settle or clear up / to clean up or purge

(of water etc) clear; clean / quiet; still / pure; uncorrupted / clear; distinct / to clear; to settle (accounts)

zero / nought / zero sign / fractional / fragmentary / odd (of numbers) / (placed between two numbers to indicate a smaller quantity followed by a larger one) / fraction / (in mathematics) remainder (after division) / extra / to wither and fall / to wither