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Rayleigh criterion

   Also found in: Medical, Wikipedia 0.01 sec.
Rayleigh criterion [′rā·lē krī‚tir·ē·ən]
(chemistry)
The criterion for spontaneous pressure oscillations to accompany combustion, namely, that combustion progresses more rapidly or efficiently during the compression phase of the pressure oscillation than during the rarefaction phase.
(optics)
A criterion for the resolving power of an optical instrument which states that the images of two point objects are resolved when the principal maximum of the diffraction pattern of one falls exactly on the first minimum of the diffraction pattern of the other.


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