[ noo-truh-sfeer, nyoo- ]
/ ˈnu trəˌsfɪər, ˈnyu- /
the part of the atmosphere whose constituents are, for the most part, electrically neutral, extending from the earth's surface to the base of the ionosphere.
Words nearby neutrosphere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019