Definition of ambience noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Define ambience. ambience synonyms, ambience pronunciation, ambience translation, English dictionary definition of ambience. n. Variant of ambiance. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing... Ambience is another word for atmosphere in the sense of the mood a place or setting has. If an expensive restaurant has soft lighting and peaceful music, it has a pleasant, soothing ambience. The meaning of AMBIENCE is a feeling or mood associated with a particular place, person, or thing : atmosphere. How to use ambience in a sentence.