/therr"meuh sfear'/ , n.
the region of the upper atmosphere in which temperature increases continuously with altitude, encompassing essentially all of the atmosphere above the mesosphere.
[ 1950-55; THERMO- + SPHERE ]
/therr"meuh sfear'/ , n.
the region of the upper atmosphere in which temperature increases continuously with altitude, encompassing essentially all of the atmosphere above the mesosphere.
[ 1950-55; THERMO- + SPHERE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012