1. Surrounding; encircling: ambient sound; ambient air.
2. Relating to or being instrumental or electronic music that has melody, gentle rhythm, and limited harmonic development and is intended to induce a relaxed mood.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.