Meaning of THERMOSPHERE in English

THERMOSPHERE

/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 .