English Dictionary
Computer Dictionary
Video Dictionary
Thesaurus
Dream Dictionary
Medical Dictionary
Search Dictionary:
Meaning of PROTOACTINIUM
Pronunciation:
`prowtowak'tineeum
WordNet Dictionary
Definition:
[n] a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
PROTOACTINIUM is a 13 letter word that starts with P.
Synonyms:
atomic number 91
,
Pa
,
protactinium
See Also:
metal
,
metallic element
COPYRIGHT © 2000-2009 HYPERDICTIONARY.COM
HOME
|
ABOUT HYPERDICTIONARY
WordNet Dictionary