Ultraviolet – מילון אנגלי-אנגלי
ultraviolet
adj.
beyond the rays of the violet end of the visible light spectrum, of or pertaining to ultraviolet light
Ultraviolet
Ultraviolet (
UV) light is an
electromagnetic radiation with a
wavelength from 400 nm (750
THz) to 10 nm (30
PHz), shorter than that of
visible light but longer than
X-rays. Though usually invisible, under some conditions children and young adults can see ultraviolet down to wavelengths of about 310 nm, and people with
aphakia (missing lens) can also see some UV wavelengths. Near-UV is visible to some insects and
birds.
Ultraviolet (disambiguation)
Ultraviolet refers to electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays.
ultraviolet
Noun
1. radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
(synonym) ultraviolet radiation, ultraviolet light, ultraviolet illumination, UV
(hypernym) actinic radiation, actinic ray
(hyponym) sunray, sun-ray
Adjective
1. having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; "ultraviolet radiation"; "an ultraviolet lamp"
(similar) invisible, unseeable
ultraviolet
nm.
ultraviolet, beyond the rays of the violet end of the visible light spectrum, of or pertaining to ultraviolet light
ultraviolet (m)
adj.
ultraviolet, beyond the rays of the violet end of the visible light spectrum, of or pertaining to ultraviolet light
ultraviolet
adj.
ultraviolet
