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Definition of the noun actinoid

What does actinoid mean as a name of something?

noun - plural: actinoids

  1. any of a series of radioactive elements with atomic numbers 89 through 103

Alternative definition of the noun actinoid


  1. [inorganic chemistry] actinide

Definition of the adjective actinoid

What does actinoid mean as an attribute of a noun?


  1. having a radial form

Alternative definition of the adjective actinoid


  1. Having the form of rays; radiated, as in the species of the family Actiniidae.

Printed dictionaries and other books with definitions for actinoid

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Google previewElsevier's Dictionary of Chemoetymology (2006)

The Whys and Whences of Chemical Nomenclature and Terminology by Alexander Senning

actinide (actinoid) derived from actinium and -ide actinium Ac, derived from actin( o)- and -ium – referring to this element's radioactivity actinium emanation Rn, ...

Google previewA Dictionary of Entomology (2011)

ACTINOID Adj. (Greek, aktis = ray + eidos = shape.) Ray-like; star-like. Descriptive of an organism with radial symmetry. Cf. Actiniform; Actinomorphic. Rel. Eidos; Form; Shape; Symmetry. ACTINOMERE Noun. (Greek, aktis = ray + meros = part.

Google previewEncyclopedia of Science and Technology (2001)

by James S. Trefil

The fourteen elements following are called the actinoid series. Like the lanthanides, the actinides are classified as transition elements. They are also called group B metals, and ...

Google previewDictionary of Invertebrate Zoology --Paperback (2010)

by Maggenti Mary Ann, Maggenti Armand, Gardner Scott

actinoid a. actinobiology n. [Gr. aktis, ray; bios, life; logos, discourse] The study of effects of radiation upon living organisms. actinoblast n. [Gr. aktis, ray; blastos, bud] (PORIF ) ...

Google previewThe Rosen Comprehensive Dictionary of Chemistry (2007)

by John O. E. Clark, William Hemsley

Alternative name: actinoid. actinium Ac Radioactive element in Group IIIB of the periodic table (usually regarded as one of the actinides); it has several isotopes, with half-lives of up to 21.7 years. It results from the decay of uranium - 235. At. no ...

Google previewDictionary of Parasitology (2005)

by Peter J. Gosling

Also termed: actinoid. actinium (Ac) (chemistry) Radioactive element in Group IIIB of the periodic table (usually regarded as one of the actinides); it has several isotopes, with halflives of up to 21.7 years. It results from the decay of uranium- 235.

Google previewThe rhymers' lexicon (1971)

by Andrew Loring, George Saintsbury

actinoid albuminoid ' alkaloid aneroid anthropoid asteroid avoid coralloid crystalloid deltoid dendroid devoid hyaloid metalloid negroid overjoyed ovoid pachydermatoid paraboloid petaloid ...

Google previewEncyclopaedic Dictionary of Biology (2003)

by S. Choudhary

actinide (actinoid) : Any element in the periodic table which has an atomic number between ...

Google previewThe Describer's Dictionary (1995)

A Treasury of Terms and Literary Quotations by David Grambs

symmetrical asymmetrical having radial symmetry actinoid, actinomorphic, actinomorphous north northern, northerly, boreal, hyperborean south southern, southerly, austral, meridional east eastern, easterly, oriental west western, westerly, ...

Google previewThe Describer's Dictionary: A Treasury of Terms & Literary Quotations (Expanded Second Edition) (2014)

by David Grambs, Ellen S. Levine

ornaments floriated,floral, floreted arrangedin apattern of rosettes rosular having an ornamentally curled design scrolled curled orcoiledinward involute having starlike rays asteriated radially symmetrical actinoid having encircling parallel.

Google previewA Dictionary of Science (2010)

by Elizabeth A. Martin

actinoid contraction A smooth decrease in atomic or ionic radius with increasing proton number found in the *actinoids. actinoids (actinides) A series of elements in the *periodic table, generally considered to range in atomic number from ...

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Video about actinoid

Actinoid Meaning

Video shows what actinoid means. actinide. Actinoid Meaning. How to pronounce, definition audio dictionary. How to say actinoid. Powered by MaryTTS ...

Scrabble value of A1C3T1I1N1O1I1D2

The value of this 8-letter word is 11 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Anagrams of ACTINOID

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