'Duplicate' definitions:

Definition of 'duplicate'

(from WordNet)
adjective
Identically copied from an original; "a duplicate key"
adjective
Being two identical [syn: duplicate, matching, twin(a), twinned]
noun
Something additional of the same kind; "he always carried extras in case of an emergency" [syn: extra, duplicate]
noun
A copy that corresponds to an original exactly; "he made a duplicate for the files" [syn: duplicate, duplication]
verb
Make or do or perform again; "He could never replicate his brilliant performance of the magic trick" [syn: duplicate, reduplicate, double, repeat, replicate]
verb
Duplicate or match; "The polished surface twinned his face and chest in reverse" [syn: twin, duplicate, parallel]
verb
Make a duplicate or duplicates of; "Could you please duplicate this letter for me?"
verb
Increase twofold; "The population doubled within 50 years" [syn: double, duplicate]

Definition of 'Duplicate'

From: GCIDE
  • Duplicate \Du"pli*cate\, n.
  • 1. That which exactly resembles or corresponds to something else; another, correspondent to the first; hence, a copy; a transcript; a counterpart. [1913 Webster]
  • I send a duplicate both of it and my last dispatch. -- Sir W. Temple. [1913 Webster]
  • 2. (Law) An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original. --Burrill. [1913 Webster]

Definition of 'Duplicate'

From: GCIDE
  • Duplicate \Du"pli*cate\, v. t. [imp. & p. p. Duplicated; p. pr. & vb. n. Duplicating.]
  • 1. To double; to fold; to render double. [1913 Webster]
  • 2. To make a duplicate of (something); to make a copy or transcript of. --Glanvill. [1913 Webster]
  • 3. (Biol.) To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves. [1913 Webster]

Definition of 'duplicate'

From: GCIDE
  • duplicate \du"pli*cate\, a. [L. duplicatus, p. p. of duplicare to double, fr. duplex double, twofold. See Duplex.] Double; twofold. [1913 Webster]
  • Duplicate proportion or Duplicate ratio (Math.), the proportion or ratio of squares. Thus, in geometrical proportion, the first term to the third is said to be in a duplicate ratio of the first to the second, or as its square is to the square of the second. Thus, in 2, 4, 8,
  • 16, the ratio of 2 to 8 is a duplicate of that of 2 to 4, or as the square of 2 is to the square of 4. [1913 Webster]

Synonyms of 'duplicate'

From: Moby Thesaurus