- of or belonging to or active during the day; "diurnal animals are active during the day"; "diurnal flowers are open during the day and closed at night"; "diurnal and nocturnal offices"
- having a daily cycle or occurring every day; "diurnal rotation of the heavens"
- (diurnally) daily; By daylight; Every daytime
- From the Latin diurnus, daily. Refers to the southern (upper) hemisphere of a horoscope, the "day" section of a horoscope, that part of the heavens that appears above the Earth's horizon.
- Daily; related to actions which are completed in the course of a calendar day, and which typically recur every calendar day (e.g., diurnal temperature rises during the day, and diurnal falls at night).
- Animals that hunt and live in the day light hours.
- Active during daylight hours.
- Pertaining to actions or events that occur during a twenty-four hour cycle or recurs every twenty-four hours. Meteorological elements that are measured diurnally include clouds, precipitation, pressure, relative humidity, temperature, and wind.
- in geography, daily, or of each day, where a day means the full 24 hour period.
- Hunting, feeding, and general living during the day time.
- Literally of the day, but here meaning having a period or a TIDAL DAY, i.e. about 24.84 hours. See Figure 11.
- Exhibiting a daily cycle, e.g. over one day and one night.
- Most active during daylight hours. The term 'activity' refers to natural or normal functions and may include: movement, feeding, hunting, migration, breeding, nest building, etc.
- Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can refer to recurring every day. ...
- Daily, usually applied to events or cycles that repeat on daily intervals.
- Term describing the occurrence of an event at least once every 24 hours. cf circadian.
- Pertaining to the daylight portion of the 24-hour day.
- of flowers, opening only during daylight hours.
- Occurring during a 24-hr period; diurnal variation. (2) Occurring during the day time (as opposed to night time). (3) In tidal hydraulics, having a period or cycle of approximately one tidal day.
- During the day, marking planets above the horizon (between the first and seventh cusps via the Mid-Heaven), versus Nocturnal: below the horizon (during the night).
- relating to the daytime; daily (opposed to nocturnal)
- Performed in twenty-four hours, such as the diurnal revolution of the Earth.
- during the daytime. The diurnal resting places of mosquitoes, especially newly-fed females, may be important in malaria control.
- Describes both a day active animal or rhythm, and a rhythm with a period of approximately 24 hours under a light dark cycle.
- Having to do with the day time. Used in referring to the sect of a chart: i.e. either diurnal or nocturnal sect.