Multiplied by four; quadruple.
Fourth in a group of four identical things.
One of a group of four identical things.
To multiply or be multiplied four times.
To quadruple; make four identical copies of.
Designating the fourth of identical copies.
(math.) Raised to the fourth power.
Any of four identical copies or things.
- in four identical copies
Idioms and Phrasal Verbs