Surrounding; encircling: ambient sound; ambient air. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "ambient" in a sentence
"Just finished this book: five hundred pages of almost everything loosely associable with the term ambient music in the twentieth century."
"Perhaps in major cities such as Monterrey or Mexico City or Guadalajara or Veracruz, etc., the ambient is different."
"I would also fathom to think that if you did allow a bit of time to elapse that it may have got warmer or cooler in ambient air temp."