from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A positively charged baryon having a mass 4,471 times that of the electron and a mean lifetime of approximately 2.1 × 10-13 seconds. 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.