follow Dictionary.com

What's the "een" in Halloween?

reference frame

noun, Physics.
1.
Origin
1920-1925
1920-25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
reference-frame in Science
reference frame
  (rěf'ər-əns)   
A basis of a four-dimensional coordinate system in which the first coordinate is understood as a time coordinate, while the other three coordinates represent spatial dimensions. Inertial frames and non-inertial frames are both examples of reference frames. Also called frame of reference. See also General Relativity, space-time, Special Relativity.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for reference frame

Few English speakers likely know this word

Word Value for reference

14
16
Scrabble Words With Friends

Quotes with reference-frame

Nearby words for reference-frame