Crepuscular adj. Of the twilight.
Crepuscular rays are shafts of sunlight that appear to radiate from the sun's position in the sky.
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The term "crepuscular" is derived from the Latin word crepusculum, meaning "twilight" or "dusk." It is used primarily to describe phenomena or entities that are related to or active during the twilight hours of dawn and dusk. The word is often associated with the soft, diffused light that characterizes these periods of the day, creating a unique atmosphere distinct from the bright light of midday or the darkness of night.
In a biological context, "crepuscular" refers to animals that are primarily active during the twilight hours. These animals, such as certain species of insects, birds, and mammals, have adapted to these times when light conditions are low but not completely dark. Crepuscular animals may use the low light to avoid predators or to take advantage of the cooler temperatures and reduced competition for resources. For example, crepuscular insects like moths and beetles often emerge at dusk, while crepuscular mammals such as deer and rabbits may feed and move around during these times.
The term "crepuscular" can also be applied in literature and art to evoke the serene and often mystical quality of twilight. In these contexts, it captures the transitional period between day and night, which can be rich with symbolic meaning and atmospheric nuance. The gentle and fading light of the crepuscular hours often inspires a sense of calm, introspection, or otherworldliness, making it a compelling subject for creative expression and artistic portrayal.
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