Try Our Apps


The Word of the Year is...

Coolidge tube

noun, Physics.
a cathode ray tube, used for x-ray production, in which a beam of thermoelectrons is produced by heating a wire cathode.
Origin of Coolidge tube
1910-15, Americanism; named after William D. Coolidge (1873-1975), U.S. physicist and chemist who devised it Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source

Word of the Day

Difficulty index for Coolidge tube

Few English speakers likely know this word

Word Value for Coolidge

Scrabble Words With Friends

Nearby words for coolidge tube