index number

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a number or ratio (a value on a scale of measurement) derived from a series of observed facts;
can reveal relative changes as a function of time
• Syn:
index, indicant, indicator
• Hypernyms:
fact
• Hyponyms:
body mass index, BMI, business index, leading indicator, price index,
price level, short account, stock index, stock market index