| diurna | <zoology> A division of Lepidoptera, including the butterflies; so called because they fly only in the daytime. Origin: NL, fr. L. Diurnus belonging to the day. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| diurnal | Occurring during the day. (18 Nov 1997) |
| diurnal enuresis | Urinary accidents during wakefulness. (05 Mar 2000) |
| diurnal periodicity | A circadian rhythm with primary expression of the periodicity during daylight hours, as in the release of microfilariae of Loa loa into the peripheral blood during the day, with far fewer released at night; associated with the day-biting habits of the vector, Chrysops species. (05 Mar 2000) |
| diurnal rhythm | Occurring during the day. (18 Nov 1997) |
| diurnation | 1. Continuance during the day. 2. <zoology> The condition of sleeping or becoming dormant by day, as is the case of the bats. Source: Websters Dictionary (01 Mar 1998) |