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The triangle is the fulcrum
Borrowed from Latin fulcrum ("bedpost, foot of a couch"), from fulci? ("prop up, support").
- (key): /'f?lk.m/
- (UK) also (key): /'f?lk.m/
fulcrum (plural fulcrums or fulcra)
- (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", in 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.
- (figuratively) A crux or pivot; a central point.
- 2006, Rebecca Langlands, Sexual Morality in Ancient Rome (page 119)
- By this point the fulcrum of concern is the stuprum of men upon men, described as more prevalent than that upon women.
support about which a lever pivots
- Japanese: (, shiten)
- Macedonian: ? m (oslonec)
- Malay: sangga tuas, fulkrum
- Norwegian: dreiepunkt n, dreiningspunkt n, hvilepunkt n, omdreiningspunkt n
- Polish: punkt podparcia m
- Portuguese: fulcro (pt) m, ponto de apoio m
- Romanian: punct de sprijin n
- Russian: (ru) (tó?ka opóry)
- Serbo-Croatian: upori?te (sh)
- Spanish: pivote (es) m, punto de apoyo m, fulcro (es) m
- Swedish: rotationspunkt, ledpunkt (sv), vridningspunkt
- Telugu: (te) (?dh?ramu)
- Ukrainian: f (to?ka opory)
- Westrobothnian: åbrót n
fulcrum n (genitive fulcr?); second declension
- foot (of a couch)
Second-declension noun (neuter).