An eclipse in which the entire surface of a celestial body is obscured.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "total eclipse" in a sentence
"A German-born Jew, Schuster led the Royal Society’s 1875 expedition to observe a total eclipse in Siam Thailand."
"This was all but a total eclipse in his art-life, for he did little of note during the period of his St. Petersburg career."