Capitol vs. capital? What's the difference?

mean distance

noun, Astronomy
the arithmetic mean of the greatest and least distances of a planet from the sun, used in stating the size of an orbit; the semimajor axis.
Origin of mean distance
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for mean distance
Historical Examples
British Dictionary definitions for mean distance

mean distance

the average of the greatest and least distances of a celestial body from its primary
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
Cite This Source

Word of the Day

Difficulty index for mean distance

Few English speakers likely know this word

Word Value for mean

Scrabble Words With Friends