Snowblindness — A burn of the cornea (the clear front surface of the eye) by ultraviolet B rays (UVB). Also called radiation keratitis or photokeratitis. The condition typically occurs at high altitudes on highly reflective snow fields or, less often, with a… … Medical dictionary
snowblindness — noun temporary blindness caused by exposure to sunlight reflected from snow or ice • Syn: ↑snow blindness • Derivationally related forms: ↑snow blind • Hypernyms: ↑blindness, ↑sightlessness, ↑cecity … Useful english dictionary
Photokeratitis — A burn of the cornea (the clear front surface of the eye) by ultraviolet B rays (UVB). Also called radiation keratitis or snowblindness. The condition typically occurs at high altitudes on highly reflective snow fields or, less often, with a… … Medical dictionary
snow-blindness — noun temporary blindness caused by exposure to sunlight reflected from snow or ice • Syn: ↑snowblindness • Derivationally related forms: ↑snow blind (for: ↑snowblindness) • Hypernyms: ↑blindness, ↑ … Useful english dictionary
Winter — For other uses, see Winter (disambiguation). Part of the Nature series on Weather Calendar seasons Spring … Wikipedia
Frozone — Superherobox comic color=background:#80ffff caption=Close up of Frozone publisher=Dark Horse Comics/Pixar Animation Studios debut= The Incredibles creators=Brad Bird character name=Frozone alliance color=background:#ffc0c0 real name=Lucius Best… … Wikipedia
Ten Essentials — The Ten Essentials is a list of essential items hiking authorities promote as recommended for safe travel in the backcountry. The Ten Essentials were first described in the 1930s by The Mountaineers, a hiking and mountain climbing club. Many… … Wikipedia
Over-illumination — This cosmetics store has lighting levels over twice recommended levels[1] Over illumination is the presence of lighting intensity (illuminance) beyond that required for a specified activity. Over illumination was commonly ignored between 1950 and … Wikipedia
Jeff Green (multimedia artist) — Infobox Writer name = Jeff Green imagesize = caption = Jeff Green at a radio production console pseudonym = birthdate = birth date|1956|6|21|mf=y birthplace = Halifax, Nova Scotia, Canada occupation = Multimedia Artist nationality = Canadian… … Wikipedia
blindness — noun the state of being blind or lacking sight (Freq. 7) • Syn: ↑sightlessness, ↑cecity • Derivationally related forms: ↑sightless (for: ↑sightlessness), ↑blind … Useful english dictionary