1-Stop Dictionary Reference

Actinide

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This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition

n. Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium).

Wiktionary, Creative Commons Attribution/Share-Alike License

n. Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides to which they have similar chemistry.

WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Word Usage

"Considering the closed fuel cycle, Generation I-III reactors recycle plutonium (and possibly uranium), while Generation IV designs are expected to have full actinide recycling capability."

Hypernym

Words that are more generic or abstract

grouping group

Cross Reference

neptunium plutonium americium protactinium thorium

Same Context

Words that are found in similar contexts

nitroso- intermetallic anti-seize unsubstituted sulfur-containing