English Dictionary
Computer Dictionary
Thesaurus
Dream Dictionary
Medical Dictionary
Search Dictionary:
Meaning of ATOMIC NUMBER 61
WordNet Dictionary
Definition:
[n]
a
soft
silvery
metallic
element
of
the
rare
earth
group
having
no
stable
isotope
;
was
discovered
in
radioactive
form
as
a
fission
product
of
uranium
Websites:
Synonyms:
Pm
,
promethium
See Also:
metal
,
metallic element
COPYRIGHT © 2000-2003 WEBNOX CORP.
HOME
|
ABOUT HYPERDICTIONARY
WordNet Dictionary