English Dictionary
Computer Dictionary
Video Dictionary
Thesaurus
Dream Dictionary
Medical Dictionary
Search Dictionary:
Meaning of ATOMIC NUMBER 87
WordNet Dictionary
Definition:
[n] a radioactive element of the alkali-metal group discovered as a disintegration product of actinium
Synonyms:
Fr
,
francium
See Also:
metal
,
metallic element
COPYRIGHT © 2000-2009 HYPERDICTIONARY.COM
HOME
|
ABOUT HYPERDICTIONARY
WordNet Dictionary