Definition of "cold fusion" []

• A hypothetical form of nuclear fusion occurring without the use of extreme temperature or pressure. (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.

• "Eliopolos's cheerful "Fred, good to see you" meant just the opposite and Rhyme wondered what was the source of the cold fusion between them."
• "An ominous prophecy from The Book of the Damned, which Sister Bernadette filched from Father Diavolo in Episode 14, hints that Armageddon itself is drawing nigh, in the form of a brilliant alchemist who is on the verge of discovering the secret of cold fusion — in 1592!"