frame of reference

noun phrase

Definition of frame of reference 

1 : an arbitrary set of axes with reference to which the position or motion of something is described or physical laws are formulated

2 : a set of ideas, conditions, or assumptions that determine how something will be approached, perceived, or understood a Marxian frame of reference

First Known Use of frame of reference

1895, in the meaning defined at sense 1

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The first known use of frame of reference was in 1895

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