diurnality

countable uncountable

The condition or habit of being active during the day.

Japanese Meaning

昼行性：日中に活動する性質または習慣

The diurnality of the local fox population surprised ecologists who expected nocturnal behavior.

地元のキツネの個体群が昼行性であることは、夜行性を予想していた生態学者たちを驚かせた。

Sense（1）

The condition or habit of being active during the day.

diurnalities

（ plural ）