from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A subatomic particle in the baryon family having a mass 3,272 times that of the electron, a unit negative electron charge, and an average lifetime of 8 × 10-11 seconds. Also called omega. See Table at subatomic particle.


Sorry, no etymologies found.


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.