

centres
/Λsen.tΙ(ΙΉ)s/ /ΛsΙn.tΙs/




noun
The point in the interior of any figure of any number of dimensions that has as its coordinates the arithmetic mean of the coordinates of all points on the perimeter of the figure (or of all points in the interior for a center of volume).

noun
The subgroup (respectively, subring), denoted Z(G), of those elements of a given group (respectively, ring) G that commute with every element of G.



noun
A place where the greater part of some function or activity occurs.
















