frustum

EnglishEdit

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EtymologyEdit

Latin frustum (morsel).

PronunciationEdit

  • (file)

NounEdit

frustum (plural frustums or frusta)

  1. A cone or pyramid whose tip has been truncated by a plane parallel to its base.
  2. A region of a sphere delimited by two parallel planes.

SynonymsEdit

  • (area of a sphere): zone

Usage notesEdit

The spelling frustrum is erroneous,[1] and is by incorrect analogy with frustrate, also of Latin origin.

TranslationsEdit

ReferencesEdit

  1. ^ Oxford English Dictionary, 1884-1928, and First Supplement, 1933

LatinEdit

EtymologyEdit

From Proto-Indo-European *bhruhs-to, from *bhreu (to break up, cut).

PronunciationEdit

NounEdit

frustum n (genitive frustī); second declension

  1. a piece, bit; crumb, morsel, scrap of food

InflectionEdit

Second declension neuter.

Number Singular Plural
nominative frustum frusta
genitive frustī frustōrum
dative frustō frustīs
accusative frustum frusta
ablative frustō frustīs
vocative frustum frusta

SynonymsEdit

DescendantsEdit

Last modified on 17 April 2014, at 12:28