/nooh"treuh sfear', nyooh"-/ , n.
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.
[ NEUTRO- + SPHERE ]
/nooh"treuh sfear', nyooh"-/ , n.
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.
[ NEUTRO- + SPHERE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012