'Quadrupling' definitions:

Definition of 'quadrupling'

From: WordNet
noun
Increase by a factor of four

Definition of 'Quadrupling'

From: GCIDE
  • Quadruple \Quad"ru*ple\, v. t. [imp. & p. p. Quadrupled; p. pr. & vb. n. Quadrupling.] [L. quadruplare: cf. F. quadrupler.] To multiply by four; to increase fourfold; to double; to double twice. --A. Smith. [1913 Webster]