Meaning of AMOUNT in English

AMOUNT

I. ə-ˈmau̇nt intransitive verb

Etymology: Middle English, from Anglo-French amounter, from amount upward, from a- (from Latin ad- ) + mont mountain — more at mount

Date: 14th century

1.

a. : to be equivalent

acts that amount to treason

b. : to reach in kind or quality

wants her son to amount to something

doesn't amount to much

2. : to reach a total : add up

the bill amount s to $10

II. noun

Date: 1595

1.

a. : the total number or quantity : aggregate

b. : the quantity at hand or under consideration

has an enormous amount of energy

2. : the whole effect, significance, or import

3. : a principal sum and the interest on it

Usage:

Number is regularly used with count nouns

a large number of mistakes

any number of times

while amount is mainly used with mass nouns

annual amount of rainfall

a substantial amount of money

The use of amount with count nouns has been frequently criticized; it usually occurs when the number of things is thought of as a mass or collection

glad to furnish any amount of black pebbles — New Yorker

a substantial amount of film offers — Lily Tomlin

or when money is involved

a substantial amount of loans — E. R. Black

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.