depth
61Depth filter — Depth filters are the variety of filters that use a porous filtration medium to retain particles throughout the medium, rather that just on the surface of the medium. These filters are commonly used when the fluid to be filtered contains a high… …
62depth perception — n the ability to judge the distance of objects and the spatial relationship of objects at different distances * * * the proper recognition of depth or the relative distances to different objects in space …
63depth charge — n a bomb that explodes at a particular depth under water …
64depth charge — depth charges N COUNT A depth charge is a type of bomb which explodes under water and which is used especially to destroy enemy submarines …
65depth charge — depth bomb, underwater anti submarine explosive device designed to detonate at a a certain depth …
66depth of field — depth′ of field′ n. opt pht the range of distances along the axis of an optical instrument, usu. a camera lens, through which an object produces a relatively distinct image. Also called depth′ of fo′cus • Etymology: 1910–15 …
67depth charge — or depth bomb n. a powerful explosive charge that is dropped from a ship or airplane and explodes under water: used esp. against submarines …
68depth of field — n. Optics a zone in which objects are in sharp focus [the larger the aperture, the shallower the depth of field] …
69depth psychologist — noun • • • Main Entry: ↑depth …
70depth sounder — noun An echo sounder • • • Main Entry: ↑depth …