Zone melting
a process of purifying any of various metals and other materials, as germanium or silicon, by p-ssing it in bar form through an induction coil.
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- Zone of illuviation
. zone of illuviation see b horizon. zone of acc-mulation see b horizon.
- Zone of saturation
noun the ground below the water table
- Zone plate
a plate or screen with alternating opaque and transparent concentric rings that focus light by diffraction.
- Zone refining
a process of purifying any of various metals and other materials, as germanium or silicon, by p-ssing 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; sp-ce 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 […]