protoactinium
Americannoun
noun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In shaping the tungsten thread to which the protoactinium clung, he was a little too rough.
From Time Magazine Archive
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There they in turn decay, but protoactinium 231 decays faster than thorium 230.
From Time Magazine Archive
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Last month Dr. von Grosse asked to have the world supply of protoactinium back for a while so that he could make more photographs.
From Time Magazine Archive
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Last week Dr. von Grosse created another stir by revealing that the world supply of protoactinium had unfortunately disappeared.
From Time Magazine Archive
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When it slowly decays radioactively, it yields protoactinium 231 and thorium 230, both of which attach themselves to sediment particles and sink slowly to the bottom.
From Time Magazine Archive
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.