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 ?
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 researchers have reported the first examples of thorium--a radioactive actinide metal--forming multiple bonds to arsenic at ambient temperatures.
Microscopic description of octupole shape-phase transitions in light actinide and rare-earth nuclei.
Synthesis of novel soft-Ndonor complexants for chemoselective minor actinide extraction.
Awards presented by the American Chemical Society and the Actinide Separation Conference.
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.
An actinide dependent shadow biosphere of archaea and viroids in the above mentioned disease states are described.
For the most part these are aimed at treating actinide wastes or putting both a fission and fusion reactor in a single facility.
MST is currently used in the Actinide Removal Process (ARP) at the Savannah River Site in a batch contact process in which the solid is added as an aqueous suspension to the waste solution in a well-mixed reactor.
Massachusetts Institute of Technology (Boston, MA) has patented methods for separating isotopes of actinide elements such as uranium using microorganisms, e.
The design and construction contracts for the Enhanced Actinide Removal Plant, the Box Encapsulation Plant and the Product Store have also been executed by Aker Kvaerner.