diurnal

Definition

Happening or occurring during daylight, or primarily active during that time.

Etymology

From Latin diurnālis, from diēs (“day”). Doublet of journal.

Example Sentences

• "Most birds are diurnal."
• "However, in general, lizards are more diurnal than rattlers, which may be one of the reasons why young rattlers are more diurnal than adults."
• "Ere twice the horses of the sun shall bring / Their fiery torcher his diurnal ring."