boundary (redirected from Natural boundaries)

boundary

Cricket

a. the marked limit of the playing area

b. a stroke that hits the ball beyond this limit

c. the four runs scored with such a stroke, or the six runs if the ball crosses the boundary without touching the ground

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boundary [′bau̇n·drē]

(electronics)

An interface betweenp- andn-type semiconductor materials, at which donor and acceptor concentrations are equal.

(geology)

A line between areas occupied by rocks or formations of different type and age.

(mathematics)

frontier

(science and technology)

A line or area which determines inclusion in a system.