crepuscular


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crepuscular

(krē-pŭs′kū-lăr) [L. crepusculum, twilight]
Pert. to twilight; used to describe a twilight mental state.

crepuscular

pertaining to organisms which are active in the twilight hours.

crepuscular

active at twilight or just before dawn; said of animals or birds.
References in periodicals archive ?
05 and crepuscular ratings (two tailed t-test) Rating Scale 6500K 2700K 4000K 6500K 3001x 6001x 6001x 6001x Dark-bright Mean 5.
Was his 'pyramidal glimmering light' or crepuscular extension of the bright cusps fact or fiction?
However, they do exhibit some degree of crepuscular activity (Cottam & Trefethen 1968).
Chinchilla facts CHINCHILLAS are crepuscular rodents, slightly larger than ground squirrels, native to the Andes mountains in South America.
The crepuscular damselfly Enallagma vesperum Calvert, was studied to document and clarify mating behavior.
One day we swam along a deep wall at 120 feet, maybe 15 of us, the sea dropping to blue-black night and the wall colorless in the crepuscular dimness of depth.
Sunbeams shining down through clouds are called crepuscular rays.
There, Isabel threw the passion of her grief into fern collecting, and Frederic stormed the Blue Mountains capturing the stunning rainstorms over the sea and the drama of crepuscular rays in crimson sunsets.
The language is not explicit by modern standards, but a few details serve to create a full and realistic scene of a crepuscular erotic encounter.
Crepuscular was defined as time classes 5, 6, 19, and 20, because these time classes contained the official sunrise and sunset times for both study areas across both months and during both years.
If we compare the rhymes of Gatto's early books, Isola and Morto ai paesi with those of the Rime di viaggio, we remark that the early rhymes are frequently, though not exclusively, associated with the stereotypical evening coloratura of certain crepuscular poets.