pi meson
Americannoun
noun
Etymology
Origin of pi meson
First recorded in 1945–50
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
About one-thirtieth of the times that a pi meson hit a deuterium nucleus, out came the eta meson, which decays into three pions.
From Time Magazine Archive
The mass of the quick-vanishing pi meson has been measured accurately, as well as its "spin," which is something like rotation.
From Time Magazine Archive
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
