round down
A2 neutral separable transitive
In simple words
To make a number a little smaller so it's easier to work with — like changing 4.7 to 4.
Literal meaning: To round (make round/whole) in a downward direction — fairly transparent.
Meanings
1 A2 neutral
In mathematics or accounting: to reduce a number to the nearest lower whole number or specified decimal place.
"If the answer is 7.8, you can round it down to 7 for this estimate."
Grammar: separable
2 A2 informal
Informally: to reduce a price or amount slightly to make it a neater figure.
"The total came to £19.90, so I'll round it down to £19 for you."
Grammar: separable
Usage notes
Standard mathematical/financial term. In everyday speech, people may also say 'round down' when approximating prices or quantities informally. Opposite of 'round up'.
Commonly used with
number figure price total percentage amount
Forms
Base
round down
I/you/we/they
3rd person
rounds down
he/she/it
Past simple
rounded down
yesterday
Past participle
rounded down
have + pp
-ing form
rounding down
continuous
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