centre
/ˈsɛntəː/
noun24
- The set of those elements (of a given algebraic structure) that commute with every other element, usually denoted Z(G). In the case of (semi-)groups, it is required that they commute under the (semi-)group operation; in the case of rings and (Lie) algebras, under multiplication (i.e. the bracket for Lie algebras)
verb5
adjective1
forms
centr'd · centred · centreing · centring · centres
Phrases with centre
- center fieldThe part of a baseball field which is beyond the infield and straight ahead left if you stand on home plate and face the pitcher.
- center partA hairstyle where hair is separated down the exact middle of the scalp, creating a straight line from front to back, dividing the hair evenly so it falls symmetrically on both sides of the face.
- front and centerAt the center of attention.
- off-centreDisplaced from the centre.
- dead centreThe exact center