half-plane
[ haf-pleyn, hahf- ]
/ ˈhæfˌpleɪn, ˈhɑf- /
noun Mathematics.
the part of the plane on one side of a straight line of infinite length in the plane.
Origin of half-plane
First recorded in 1890–95
Words nearby half-plane
half-peck,
half-pedalling,
half-pie,
half-pike,
half-pipe,
half-plane,
half-plate,
half-pound,
half-price,
half-quartern,
half-quire