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Entry 2 senses Webster, 1913

Frame of reference

/frām ŭv rĕf'-ẽr-əns/ · IPA
01 n. an arbitrary set of spatial coordinates used to describe the position or motion of objects. The coordinates may be fixed or moving; as, a …
  1. 1.
    an arbitrary set of spatial coordinates used to describe the position or motion of objects. The coordinates may be fixed or moving; as, a rotating frame of reference.
  2. 2.
    a set of assumptions or conditions that are used to discuss or understand something; as, a religious frame of reference.