 diurnal |
||
| 1. | [ adjective ] (biology) belonging to or active during the day | |
| Examples: | "diurnal animals are active during the day" "diurnal flowers are open during the day and closed at night" |
|
| Related terms: | nocturnal biology daytime | |
| 2. | [ adjective ] having a daily cycle or occurring every day | |
| Examples: | "diurnal rhythms" "diurnal rotation of the heavens" "the diurnal slumber of bats" |
|
| Related terms: | cyclic | |
