noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An imaginary surface passing through points of a medium oscillating in phase.
2. 2
   (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium wordnet

Synonyms

All synonyms

aberration mapadvancing frontfront of waveleading frontphase frontphase map

Etymology

From wave + front.