fourfold

Từ điển WordNet v3.1 - WordNet Dictionary

I - adjective

1. four times as great or many (Freq. 1)
- a fourfold increase in the dosage
• Syn:
quadruple, four-fold
• Similar to:
multiple
2. having four units or components
- quadruple rhythm has four beats per measure
- quadruplex wire
• Syn:
quadruple, quadruplicate, quadruplex, four-fold
• Similar to:
multiple

II - adverb

by a factor of four
- the price of gasoline has increased fourfold over the past two years
• Syn:
four times

• Từ đồng nghĩa / Synonyms:
  quadruple, quadruplicate, quadruplex, four-fold, four times