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zeitgeber

[ tsahyt-gey-ber ]
/ ˈtsaɪtˌgeɪ bər /
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noun
an environmental cue, as the length of daylight or the degree of temperature, that helps to regulate the cycles of an organism's biological clock.
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Origin of zeitgeber

First recorded in 1970–75; from German (1954), literally, “time-giver,” on the model of Taktgeber “electronic synchronization device, timer, metronome”

Words nearby zeitgeber

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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