To fourfold something is to multiply it by four. When you fourfold a number, you get the number multiplied by 4 times the original number.
The teacher asked the students to fourfold their homework to make it easier to understand.
The company is trying to fourfold their sales this year.
adjective
four times as great or many
Synonyms:
adverb
by a factor of four
Synonyms:
adjective
having four units or components
Synonyms:
1
The Republican identity crisis is fourfold.
2
It is hoped that production will be increased fourfold.
3
As a result, a fourfold cultural sequence was established.
4
Since then he had expanded it fourfold.
5
Tests demonstrated a fourfold increase in precipitation.
6
The manufacturing output for the city rose fourfold.
7
The fourfold version of an architectural trefoil is a quatrefoil.
8
The number of districts was reduced about fourfold.
9
A fourfold improvement in the detection limit can be obtained.
10
A similar fourfold categorization is also found in Rabbinic writings.