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Word of the Day Tuesday, June 9, 2026

diel

/daɪəl/ noun · British & US
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What does diel mean?

noun

A diel cycle is a daily cycle of activity or change, especially in living organisms. It can also refer to a daily period of activity or rest.

Example

"The diel cycle of the coral reef was affected by the changing tides."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for diel

Antonyms of diel

Rhymes with diel

Etymologically related