Nocturnal

1.

(LITERARY) រត្ដិចរ

1.

(Of the night; happening or done at night, active at night, of plants, having flowers that are open at night and closed in the daytime) នៃរាត្រីចរ
Example: A nocturnal joumey, a nocturnal sound: a nocturnal activity, a nocturnal animal.

• nocturnal emission
  - ការចេញទឹកកាមពេលដេកលក់
• nocturnal enuresisn
  - ការចេញនោមដោយឯកឯងនៅពេលដេកលក់

1.

An instrument formerly used for taking the altitude of the stars, etc., at sea.

1.

Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc.; -- opposed to diurnal.

2.

Having a habit of seeking food or moving about at night; as, nocturnal birds and insects.