fulcrum

See also: Fulcrum

EnglishEdit

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Wikipedia

The triangle is the fulcrum.

EtymologyEdit

From Latin fulcrum (bedpost, foot of a couch), from fulciō (prop up, support).

PronunciationEdit

NounEdit

fulcrum (plural fulcrums or fulcra)

  1. (mechanics) The support about which a lever pivots.
    • It is possible to flick food across the table using your fork as a lever and your finger as a fulcrum.
    • 2010, John Allison, Bad Machinery
      MILDRED: Archimedes said give me a lever long enough and a fulcrum on which to place it and I will move the world.
      CHARLOTTE: Yeah she said that twaddle eight or nine times.
    • 2012 March 1, Henry Petroski, “Opening Doors”, American Scientist, volume 100, number 2, page 112-3: 
      A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place.

TranslationsEdit


LatinEdit

EtymologyEdit

EB1911 - Volume 01 - Page 001 - 1.svg This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page as described here.

PronunciationEdit

NounEdit

fulcrum n (genitive fulcrī); second declension

  1. bedpost
  2. foot (of a couch)
  3. couch

InflectionEdit

Second declension neuter.

Number Singular Plural
nominative fulcrum fulcra
genitive fulcrī fulcrōrum
dative fulcrō fulcrīs
accusative fulcrum fulcra
ablative fulcrō fulcrīs
vocative fulcrum fulcra

DescendantsEdit

Last modified on 10 April 2014, at 14:41