fulcrum /ˈfʊlkrəm/ /ˈfʌlkrəm/ noun plural fulcrums also fulcra /ˈfʊlkrə/ /ˈfʌlkrə/ /ˈfʊlkrəm/ /ˈfʌlkrəm/
noun
plural fulcrums also fulcra /ˈfʊlkrə/ /ˈfʌlkrə/ Learner's definition of FULCRUM
[count] technical
: the support on which a lever moves when it is used to lift something（杠杆的）支点