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actinide series
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noun Chemistry.
the series of radioactive elements that starts with actinium and ends with lawrencium.
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Origin of actinide series
First recorded in 1940–45
Words nearby actinide series
actinia, actinian, actinic, actinic ray, actinide, actinide series, actiniform, actinin, actinism, actinium, actinium series
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for actinide series
actinide series
noun
a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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