Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
polyacrylonitrile
polyadenylic acid
polyalcohol
polyalphabetic
polyamide
polyamine
polyandry
polyantha rose
polyanthus
polyanthus narcissus
polyatomic
polybasic
polybasite
polycarbonate
polycarboxylic acid
polycarpic
polychaete
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

polonium

po·lo·ni·um [ pə lṓnee əm ]


noun 
Definition:
 
rare radioactive metallic element: a very rare radioactive metallic element. Source: uranium ores. Use: removal of static electricity.
Symbol  Po


[Late 19th century. < medieval Latin Polonia "Poland," the home of its discoverer, Marie Curie]
Advertisement

© 2009 Microsoft