Zone of saturation
noun
the ground below the water table
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a plate or screen with alternating opaque and transparent concentric rings that focus light by diffraction.
- Zone out
zone out noun (also zoner) A person intoxicated with narcotics, esp habitually so; space cadet (1960s+ Narcotics) verb To be inattentive; be hazily preoccupied: He zoned so bad he didn’t even hear the teacher call his name/ I was kind of zonin’, checking things out (1980s+) [fr ozone, ”a very high level of the atmosphere”] […]
- Zone refining
a process of purifying any of various metals and other materials, as germanium or silicon, by passing it in bar form through an induction coil. noun a technique for producing solids of extreme purity, esp for use in semiconductors. The material, in the form of a bar, is melted in one small region that is […]
- Zone something out
zone something out noun (also zoner) A person intoxicated with narcotics, esp habitually so; space cadet (1960s+ Narcotics) verb To be inattentive; be hazily preoccupied: He zoned so bad he didn’t even hear the teacher call his name/ I was kind of zonin’, checking things out (1980s+) [fr ozone, ”a very high level of the […]
- Zone system
a system for envisioning the values to appear in a black-and-white print and for determining exposure and development, based on a scale of shades ranging from 0 (black) to IX (white). Historical Examples When the introduction of the zone system was first advocated in Hungary it was opposed by just such men and just such […]