half+a+line
121half duplex — noun Date: 1950 a mode of communication especially with a computer via telephone line in which information can be sent in only one direction at a time compare duplex …
122half-pipe — noun Date: 1984 a U shaped high sided ramp or runway used especially in snowboarding, skateboarding, or in line skating …
123half plane — noun Date: 1891 the part of a plane on one side of an indefinitely extended straight line drawn in the plane …
124half-plane — /haf playn , hahf /, n. Math. the part of the plane on one side of a straight line of infinite length in the plane. [1890 95] * * * …
125half-open — adjective a) Partially open; ajar b) (referring to an interval on the real line) containing only one of its endpoints …
126half-open interval — noun An interval in the real line which contains one of its endpoints but not the other one: i.e., it either contains its supremum or its infimum but not both. See Also: open interval, closed interval …
127half-break — noun Where a player almost breaks the opposition defensive line but is stopped by the opposition …
128half plane — noun mathematics : the part of a plane on one side of an indefinitely extended straight line drawn in it …
