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Alternative formsEdit


  • IPA(key): /ˈdʌblət/
    • (file)

Etymology 1Edit

From Middle English doublet, a borrowing from Old French doublet, from double, duble, doble + -et.


doublet (plural doublets)

  1. A pair of two similar or equal things; couple.
  2. (linguistics) One of two or more different words in a language derived from the same etymological root but having different phonological forms (e.g., toucher and toquer in French or shade and shadow in English).
  3. (literature) In textual criticism, two different narrative accounts of the same actual event.
  4. (lapidary) An imitation gem made of two pieces of glass or crystal with a layer of color between them.
  5. (printing, US) A word or phrase set a second time by mistake.
  6. (quantum mechanics) A quantum state of a system with a spin of ½, such that there are two allowed values of the spin component, −½ and +½.
  7. (computing) A word (or rather, a halfword) consisting of two bytes.
  8. (botany) A very small flowering plant, Dimeresia howellii.
  9. A word ladder puzzle.
  10. An arrangement of two lenses for a microscope, designed to correct spherical aberration and chromatic dispersion, thus rendering the image of an object more clear and distinct.
    • 1855, Schacht, Hermann; Currey, Frederick, The Microscope:
      The doublet generally used is that invented by Dr. Wollaston, and consists of two plano-convex lenses placed with their convex sides towards the eye []
  11. Either of two dice, each of which, when thrown, has the same number of spots on the face lying uppermost.
    to throw doublets
  12. (uncountable, obsolete) A game somewhat like backgammon.
  13. (radio) Dipole antenna.
  14. (Historical) A man's inner garment; e.g., waistcoat.
    • c. 1598–1600, William Shakespeare, “As You Like It”, in Mr. William Shakespeares Comedies, Histories, & Tragedies [] (First Folio), London: [] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act II, scene iv], lines 726-27:
      I must comfort the weaker vessel, as
      doublet and hose ought to show itself courageous to petticoat []
    • 1709, [Alexander Pope], An Essay on Criticism, London: [] W. Lewis [], published 1711, OCLC 15810849, lines 316-19, 327-30:
      Expression is the dress of thought, and still
      Appears more decent, as more suitable;
      A vile conceit in pompous words express'd,
      Is like a clown in regal purple dress'd:
      These sparks with awkward vanity display
      What the fine gentleman wore yesterday;
      And but so mimic ancient wits at best,
      As apes our grandsires, in their doublets drest.

See alsoEdit

Coefficient 1 2 3 4 5
Noun single double triple quadruple quintuple / pentuple
Result singlet doublet / twin triplet quadruplet quintuplet / pentuplet
Coefficient 6 7 8 9 10
Noun sextuple / hextuple septuple / heptuple octuple nonuple decuple
Result sextuplet / hextuplet septuplet / heptuplet octuplet nonuplet decuplet
Coefficient 11 12 13 100 many
Noun undecuple / hendecuple duodecuple tredecuple centuple multiple
Result undecuplet / hendecuplet duodecuplet tredecuplet centuplet multiplet

Etymology 2Edit

English Wikipedia has an article on:
A doublet (jacket)

From Italian giubbetta, from giubba, from Arabic جبة(to en-wrap).


doublet (plural doublets)

  1. A man’s close-fitting jacket, with or without sleeves, worn by European men from the 1400s to the 1600s.

Further readingEdit

  • doublet in Hensleigh Wedgwood, On False Etymologies, Transactions of the Philological Society,1855
  • doublet at OneLook Dictionary Search
  • doublet” in The Century Dictionary, New York, N.Y.: The Century Co., 1911.




double +‎ -et



doublet m (plural doublets)

  1. (lexicography) doublet

Further readingEdit