actinide


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ac·ti·nide

 (ăk′tə-nīd′)
n.
Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium). Also called actinoid.

actinide

(ˈæktɪˌnaɪd)
n
(Elements & Compounds) a member of the actinide series. Also called: actinon
[C19: from actino- + -ide]

ac•ti•nide

(ˈæk təˌnaɪd)

n.
any element of the actinide series.
[1945; actin (ium) + -ide, on the model of lanthanide]

ac·ti·nide

(ăk′tə-nīd′)
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.actinide - any of a series of radioactive elements with atomic numbers 89 through 103actinide - any of a series of radioactive elements with atomic numbers 89 through 103
group, grouping - any number of entities (members) considered as a unit
Translations
Actinoid
actinide
aktinid
References in periodicals archive ?
The JRC is also opening two state-of-the-art laboratories designed for research on actinide materials in Karlsruhe.
It may well be that there is some actinide pollution in the Severn mud and this will be added to by the operation of water-cooled reactors .
Among full papers are actinide targets for the synthesis of superheavy nuclei: current priorities and future opportunities, the spontaneous fission of superheavy nuclei, odd features of some odd-odd prolate spheroidal nuclei, a microscopic theory of fission, and a free-neutron target for nuclear reaction studies.
The model will simulate both measurements to determine an overall actinide measurement, with appropriate error propagation.
The researchers have reported the first examples of thorium--a radioactive actinide metal--forming multiple bonds to arsenic at ambient temperatures.
The effect of 5f electrons of early actinide metals (Th-Np) has attracted considerable attention for years [11-14].
Synthesis of novel soft-Ndonor complexants for chemoselective minor actinide extraction.
Traditional magnets are transition, lanthanide, or actinide metals.
In a powerful example of international collaboration, this new measurement required close coordination between the accelerator and detection capabilities at GSI in Germany and the unique actinide isotope production and separation facilities at Oak Ridge National Laboratory (ORNL) in the U.S.
In the previous paper [3], we used the flexible and powerful geometric collective model (GCM) [3,15-18] to describe the quantum phase transition between spherical and deformed shapes for doubly even nuclei in lanthanide and actinide isotopes chains.