lip sync is a noun meaning "combining audio and video recording in such a way that the sound is perfectly synchronized with the action that produced it; especially synchronizing the movements of a speaker's lips with the sound of his speech". It carries one recorded sense.
combining audio and video recording in such a way that the sound is perfectly synchronized with the action that produced it; especially synchronizing the movements of a speaker's lips with the sound of his speech
Definitions, synonyms and semantic relations for lip sync come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.