something that indicates bounds or limits; a limiting or bounding line.
Also called frontier. Mathematics. the collection of all points of a given set having the property that every neighborhood of each point contains points in the set and in the complement of the set.
Cricket. a hit in which the ball reaches or crosses the boundary line of the field on one or more bounces, counting four runs for the batsman.
Compare six (def 5).
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noun (pl) -ries
something that indicates the farthest limit, as of an area; border
the marked limit of the playing area
a stroke that hits the ball beyond this limit
the four runs scored with such a stroke, or the six runs if the ball crosses the boundary without touching the ground
noun (in Britain) a body established by statute to undertake periodic reviews of the boundaries of parliamentary constituencies and to recommend changes to take account of population shifts Historical Examples The Colonies 1492-1750 Reuben Gold Thwaites Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 Various The Leopard Woman Stewart Edward White Encyclopaedia Britannica, […]
a stated restriction, usually in the form of an equation, that limits the possible solutions to a differential equation. boundary condition (boun’də-rē) Mathematics The set of conditions specified for the behavior of the solution to a set of differential equations at the boundary of its domain. Boundary conditions are important in determining the mathematical solutions […]
the portion of a fluid flowing past a body that is in the immediate vicinity of the body and that has a reduced flow due to the forces of adhesion and viscosity. noun the layer of fluid closest to the surface of a solid past which the fluid flows: it has a lower rate of […]
boundary (def 1). partition line. Historical Examples A System of Practical Medicine By American Authors, Vol. II Various Charles Sumner; His Complete Works, Volume XI (of 20) Charles Sumner Round About the Carpathians Andrew F. Crosse mile Verhaeren Stefan Zweig Belford’s Magazine, Vol II, No. 10, March 1889 Various Red Pottage Mary Cholmondeley Chambers’s Twentieth […]