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.
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
Heavier than any other element except uranium, protoactinium is radioactive.
From Time Magazine Archive
In shaping the tungsten thread to which the protoactinium clung, he was a little too rough.
From Time Magazine Archive
Dr. von Grosse spread the chloride on a tungsten filament in a vacuum, heated the filament, boiled off the chlorine, obtained his bit of pure protoactinium.
From Time Magazine Archive
There they in turn decay, but protoactinium 231 decays faster than thorium 230.
From Time Magazine Archive
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions 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.
