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centiday

noun
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cen·​ti·​day | \ -ˌdā \
plural -s

Definition of centiday

: a period of 14 minutes 24 seconds used especially in the study of plant growth

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History and Etymology for centiday

centi- + day

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“Centiday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/centiday. Accessed 3 Jun. 2020.

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