An isotope of an element that shows no tendency to undergo radioactive breakdown.
Our Favorite Viral Optical Illusions ExplainedRead more in this article about some frequently asked questions and fun facts related to our definitions.
Why Is New York City Known As “The Big Apple” And “Gotham”?New York City goes by many names, such as the “City that Never Sleeps” and the less humble “Center of the Universe.” But the Big Apple is the most kenspeckled. There are many rumors about the history of the nickname. Did the city used to be filled with apple orchards? Does the name originate with a brothel madam named Eve? Actually, the widespread use of …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.