x
Home
Search
Topics
Almanac
Science
Nature
People
History
Society
Signup
Login
HOME
TOPICS
ALMANAC
SCIENCE
NATURE
PEOPLE
HISTORY
SOCIETY
PHILOSOPHY
FR
Topic Home
Discussion
0
Definition
  Topics FR Definition
WordNet

noun


(1)   A radioactive element of the alkali-metal group discovered as a disintegration product of actinium
Silverdale Interactive © 2024. All Rights Reserved.
 
x
OK