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Webster 1913 Edition


Nappe

Nappe

,
Noun.
[F.
nappe
cloth, sheet. See
Napery
.]
(Geom.)
Sheet; surface; all that portion of a surface that is continuous in such a way that it is possible to pass from any one point of the portion to any other point of the portion without leaving the surface. Thus, some hyperboloids have one
nappe
, and some have two.

Definition 2024


nappe

nappe

See also: nappé

English

Noun

nappe (plural nappes)

  1. The profile of a body of water flowing over an obstruction in a vertical drop.
  2. (mathematics) Either of the two parts of a double cone.
  3. (geology) A sheet-like mass of rock that has been folded over adjacent strata.
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 96:
      The generation of an Alpine mountain range is a matter of piling on the nappes.
  4. (hydraulics) Nappe, the underside of which is not in contact with the overflow structure and is at ambient atmospheric pressure.
  5. (cooking) The ability of a liquid to "coat the back of a spoon" or the act of coating a food.
    to nappe a leg of lamb with glaze.

Translations


French

Pronunciation

  • IPA(key): /nap/

Etymology

From Latin mappa.

Noun

nappe f (plural nappes)

  1. tablecloth
  2. layer (of gas, oil etc.); sheet (of water)

Derived terms

Verb

nappe

  1. first-person singular present indicative of napper
  2. third-person singular present indicative of napper
  3. first-person singular present subjunctive of napper
  4. first-person singular present subjunctive of napper
  5. second-person singular imperative of napper

Italian

Noun

nappe f

  1. plural of nappa

Norwegian Bokmål

Etymology

Related to Old Norse hneppa

Verb

nappe (imperative napp, present tense napper, passive nappes, simple past and past participle nappa or nappet, present participle nappende)

  1. to grab, snatch
  2. to pluck, yank

References