Search Result for "reference frame":
Wordnet 3.0

NOUN (1)

1. a system that uses coordinates to establish position;
[syn: coordinate system, frame of reference, reference system, reference frame]



WordNet (r) 3.0 (2006):

reference frame
    n 1: a system that uses coordinates to establish position [syn:
         coordinate system, frame of reference, reference
         system, reference frame]