数量

amount / quantity / CL:個|个[ge4] / quantitative

to count / to count as / to regard as / to enumerate (sb's shortcomings)

number / figure / several / CL:個|个[ge4]

frequently / repeatedly

to measure

capacity / quantity / amount / to estimate / abbr. for 量詞|量词[liang4 ci2], classifier (in Chinese grammar) / measure word

order of magnitude

usage (i.e. extent of use)

sample size (statistics)

quantitative analysis

scalar product (of vectors)

numeral-classifier compound (e.g. 一次、三套、五本 etc)

algebraic quantity