packing fraction


noun

Physics. a measure of the stability of an atomic nucleus, equal to 104 multiplied by the mass defect and divided by the mass number.

QUIZZES

CAN YOU GUESS THESE WORDS FROM AROUND THE US?

American English is not always as it appears to be ... get to know regional words in this quiz!
Question 1 of 10
A bet is synonymous with a wager, but what does it mean in New York?

Origin of packing fraction

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for packing fraction

packing fraction

noun

a measure of the stability of a nucleus, equal to the difference between its mass in amu and its mass number, divided by the mass number
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for packing fraction

packing fraction
[ păkĭng ]

The ratio of the total volume of a set of objects packed into a space to the volume of that space.
The difference between the isotopic mass of a nuclide and its mass number, divided by its mass number. The packing fraction is often interpreted as a measure of the stability of the nucleus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.