fulcrum

[/ˈfʊl.krəm/ or /ˈfʌl.krəm/]
nounmasculinepl: fulcrums or fulcra
fulcro
1. The pivot point or support on which a lever turns or is supported
The fulcrum of the seesaw must be positioned in the middle for balance.
O fulcro do gangorra deve ser posicionado no meio para equilibrar.
2. A central or critical point on which something depends or turns; the basis of support
Education is the fulcrum of social development.
A educação é o fulcro do desenvolvimento social.
3. In mechanics, the point against which a lever is placed to exert force
Using a crowbar with a proper fulcrum makes lifting easier.
Usar uma alavanca com um fulcro adequado torna o levantamento mais fácil.
The term 'fulcrum' is primarily used in technical, scientific, and academic contexts in both English-speaking countries and Brazil. It gained philosophical and motivational significance through the famous Archimedean quote about moving the world with a lever. In modern usage, it's often employed metaphorically in business and social discourse to describe a critical point of change or support. The Portuguese equivalent 'fulcro' is equally formal and technical.
Synonyms / Sinônimos
pivotpivot pointsupportaxishinge

Regional Variations

General Brazilian Portuguese
fulcro
Standard term used in technical and metaphorical contexts
Portugal
fulcro
Same as Brazilian Portuguese; also used in academic and mechanical contexts
Technical/Scientific
ponto de apoio
Alternative literal translation meaning 'point of support'
Colloquial
eixo
Sometimes used informally to mean 'axis' or 'central point'

Related Words

levermechanical advantagebalancepivotsupport pointtorqueequilibrium

Related Idioms & Phrases

give me a fulcrum and I will move the world (attributed to Archimedes, referring to the power of leverage)
be the fulcrum of something (to be the central or critical element)
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