Quadruplicate /(?)/

imp. & p. p. Quadruplicated; p. pr. & vb. n. Quadruplicating

1. To make fourfold; to double twice; to quadruple.

1. Fourfold; doubled twice; four times repeated; as, a quadruplicate ratio, or a quadruplicate proportion.
2. Raised to the fourth power. (Math.) [R.]