| 1. |
(adverb) by a factor of four; "the price of gasoline has increased fourfold over the past two years" |
|
Synonyms: four times |
|
| 2. |
(satellite adjective) four times as great or many; "a fourfold increase in the dosage" |
|
Synonyms: quadruple |
|
| 3. |
(satellite adjective) having four units or components; "quadruple rhythm has four beats per measure" |
|
Synonyms: quadruple, quadruplicate |
|