a positively charged meson having a mass 3852 times that of the electron and a mean lifetime of approximately 4.7 X 10-13 seconds.
This Word Of The Day Quiz Is Far From Thersitical
Have you mastered the meaning of phronesis? How about plethoric? Take the quiz on the words from the week of February 17 to 23 to find out.
Question 1 of 7
Also called D-s particle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020