Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
photo
photo-
photo CD
photo-diary
photo finish
photo messaging
photo-offset
photo opportunity
photo story
photoactinic
photoactive
photoautotroph
photobiology
photobiotic
photoblastic
photocall
photocatalysis
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

phosphorus

phos·pho·rus [ fósfərəss ]


noun 
Definition:
 
1. chemical element that ignites and glows: a poisonous nonmetallic chemical element that ignites in air and glows in the dark. Use: matches, fireworks, incendiary devices, fertilizers.
Symbol  P


2. something phosphorescent: a phosphorescent substance or object

[Early 17th century. Via Latin< Greek phōsphoros "morning star," literally "light-bringing" < phōs "light"]
Advertisement

© 2009 Microsoft