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OK Boomer can be perceived as pejorative, but it is mostly considered to be _____
Origin of reference frame
First recorded in 1920–25
Words nearby reference frame
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for reference frame
[ rĕf′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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.