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Vocabulary Entry
diurnal
|adjective • noun
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A
adjective
Relating to or occurring during the daytime.
Example Sentences
"Many animals are diurnal, being active in the daytime and resting at night."
"The diurnal cycle of light and darkness affects the behavior of plants."
"Humans are primarily diurnal creatures, typically sleeping at night."
N
noun
A diary or journal, often used to reference daily events.
Example Sentences
"He records his thoughts and activities in a diurnal."
"The scientist kept a diurnal to track the progress of his research."
"Her diurnal provided insights into her daily life and reflections."