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actinoid

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
ac·ti·noid  (kt-noid)
adj.
Having a radial form, as a starfish.

actinoid [ˈæktɪˌnɔɪd]
adj
(Life Sciences & Allied Applications / Zoology) having a radiate form, as a sea anemone or starfish
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.actinoid - any of a series of radioactive elements with atomic numbers 89 through 103actinoid - any of a series of radioactive elements with atomic numbers 89 through 103
group, grouping - any number of entities (members) considered as a unit
Adj.1.actinoid - having a radial formactinoid - having a radial form; "starfish are actinoid--that is, they are radially symmetrical"
actinomorphic, actinomorphous - capable of division into symmetrical halves by any longitudinal plane passing through the axis


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Series of PLC hydraulic counterblow hammer: U-shape high rigidity casting-steel framework and adjustable actinoid wide guide construction are used in the type of CDK hydraulic counterblow hammers on which the one sided guide clearance can be accurate to 0.
Changes in this edition include updates to the chapters on organometallic catalysis in synthesis and production, bioorganometallic chemistry, and new developments in the field; there is also a new chapter on organometallic chemistry of the lanthanoids and actinoids.
 
 
 
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