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[ noun ] fluctuations that occur during each day

Used in print

(J. F. Vedder, "Micrometeorites", in Francis S. J...)

The data show daily and diurnal_variations .

The data have not_yet been analyzed for diurnal_variations .

The diurnal_variation in the observed flux may be partly due_to the dependence of the detector sensitivity on the incident velocity .

Related terms

variation

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