Diurnal

Pronunciation
/dy-UR-nl/
Category
Behavior
Singular
Diurnal
Plural
Diurnals

Definition

Pertaining to or active during the daytime.

Etymology

From Latin 'diurnalis', derived from 'diurnus', meaning 'of the day'.

Example

Many species of butterflies are diurnal, as they are most active during daylight hours.

Synonyms

  • Day-active
  • Daytime

Related Terms

Usage Notes

Being diurnal often influences the predator-prey dynamics of insects, as well as their feeding and mating behaviors.