Assertion list for term "travel in opposite directions".

Results from Ascent++: 11
wave CapableOftravel in opposite directions 0.64
beam CapableOftravel in opposite directions 0.46
photon CapableOftravel in opposite directions 0.43
ship CapableOftravel in opposite directions 0.43
lane CapableOftravel in opposite directions 0.39
ion CapableOftravel in opposite directions 0.39
frequency (aspect of wave) CapableOftravel in opposite directions 0.34
atom CapableOftravel in opposite directions 0.31
frequency CapableOftravel in opposite directions 0.28
spacecraft CapableOftravel in opposite directions 0.25
sedan CapableOftravel in opposite directions 0.20