QUADRUPLE
quadruple, fourfold, four-fold
(adjective) four times as great or many; “a fourfold increase in the dosage”
quadruple, quadruplicate, quadruplex, fourfold, four-fold
(adjective) having four units or components; “quadruple rhythm has four beats per measure”; “quadruplex wire”
quadruple
(noun) a quantity that is four times as great as another
quartet, quartette, quadruplet, quadruple
(noun) a set of four similar things considered as a unit
quadruple
(verb) increase fourfold; “His stock earning quadrupled”
Source: WordNet® 3.1
Etymology
Adjective
quadruple (not comparable)
Being four times as long, as big or as many of something.
Antonyms
• quarter (divided into four; one of four equal parts)
Verb
quadruple (third-person singular simple present quadruples, present participle quadrupling, simple past and past participle quadrupled)
(transitive) To multiply by four.
(intransitive) To increase by a factor of four.
(rail) To provide four parallel running lines on a given stretch of railway.
Antonyms
• quarter (divide by four)
Anagrams
• quadrupel
Source: Wiktionary
Quad"ru*ple, a. Etym: [L. quadruplus, from quattuor four: cf. F.
quadruple. See Quadrate, and cf. Double.]
Definition: Fourfold; as, to make quadruple restitution; a quadruple
alliance. Quadruple time (Mus.), that in which each measure is
divided into four equal parts.
Quad"ru*ple, n. Etym: [Cf. F. quadruple, L. quadruplum.]
Definition: four times the sum or number; a fourfold amount; as, to receive
to quadruple of the amount in damages.
Quad"ru*ple, v. t. [imp. & p. p. Quadrupled; p. pr. & vb. n.
Quadrupling.] Etym: [L. quadruplare: cf. F. quadrupler.]
Definition: To multiply by four; to increase fourfold; to double; to double
twice. A. Smith.
Quad"ru*ple, v. i.
Definition: To be multiplied by four; to increase fourfold; to become four
times as much.
Source: Webster’s Unabridged Dictionary 1913 Edition