Definition of centroid in US English:



  • The center of mass of a geometric object of uniform density.

    • ‘The volume ratio for the sphere and cylinder can be derived from first principles without using levers and centroids.’
    • ‘When three sides are concurrent, they intersect at the centroid of the triangle.’
    • ‘In the first dimension of variation, both of the vectors connecting the subgroup centroids are negatively directed, whereas they are positively directed in the second.’
    • ‘Clearly the centroid of the planar region surrounded by the polygon is at point A.’
    • ‘But our search of the literature did not uncover these exact formulas involving the centroid, even for three-dimensional space.’