'Quintupling' definitions:

Definition of 'quintupling'

From: WordNet
noun
Increasing by a factor of five

Definition of 'Quintupling'

From: GCIDE
  • Quintuple \Quin"tu*ple\, v. t. [imp. & p. p. Quintupled; p. pr. & vb. n. Quintupling.] [Cf. F. quintupler.] To make fivefold, or five times as much or many. [1913 Webster]