Diurnal Definition & Meaning | Britannica Dictionary (original) (raw)

diurnal

/daɪˈɚnl̟/

adjective

diurnal

/daɪˈɚnl̟/

adjective

Britannica Dictionary definition of DIURNAL

technical

1

:

active mainly during the day

• diurnal animals

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— opposite nocturnal

2

:

happening every day

• diurnal tides

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