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.
Raised to the fourth power.
Any of four identical copies or things.
Origin of quadruplicate
Latin quadruplicātus past participle of quadruplicāre to multiply by four from quadruplex fourfold quadru-, quadri- quadri- -plex -fold duplex