Synonyms of 'fulcrum'
1 pivotDictionary, centre, heart
The decision is the fulcrum of the Budget.
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An axis is an imaginary line through the middle of something.
the axis of the Earth
An axle is a rod connecting a pair of wheels on a car or other vehicle.
The engine, gearbox and black axle needed to be replaced.
Thesaurus for fulcrum from the Collins English Thesaurus
If you say that someone or something is the fulcrum of an activity or situation , you mean that they have a very important effect on what happens .