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actinide
(redirected from Actinides)

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ac·ti·nide  (kt-nd)
n.
Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium).


actinide [ˈæktɪˌnaɪd]
n
(Chemistry / Elements & Compounds) a member of the actinide series Also called actinon
[from actino- + -ide]

actinide  (kt-nd)
Any of a series of chemically similar metallic elements with atomic numbers ranging from 89 (actinium) to 103 (lawrencium). All of these elements are radioactive, and two of the elements, uranium and plutonium, are used to generate nuclear energy. See Periodic Table.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.actinideactinide - any of a series of radioactive elements with atomic numbers 89 through 103
group, grouping - any number of entities (members) considered as a unit


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? Mentioned in ? References in periodicals archive
 
The emphasis of this announcement is on the ions, complexes, and organometallic compounds of the transition metals known as lanthanides and actinides, post-transition metals, and metalloid elements.
The emphasis of this announcement is on the ions, complexes, and organometallic compounds of the transition metals known as lanthanides and actinides, post-transition metals, and metalloid elements.
Argonne's only Idaho nuclear program slated to survive is a facility being renovated to produce fuel rods containing actinides, which would test whether these heavy elements from spent fuel could be "burned" to yield power (SN: 3/20/93, p.
 
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