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zone plate

noun Optics.

a plate or screen with alternating opaque and transparent concentric rings that focus light by diffraction.

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having or claiming to have the power of seeing objects or actions beyond the range of natural vision.
mild or merciful in disposition or character; lenient; compassionate.
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Origin of zone plate

First recorded in 1895–1900

Words nearby zone plate

zone of illuviation, zone of interior, zone of leaching, zone of saturation, zone out, zone plate, zone refining, zonesthesia, zone system, zone time, Zonian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020