/kee"meuh sfear', kem"euh-/ , n.
the region of the atmosphere most characterized by chemical, esp. photochemical, activity, starting in the stratosphere and including the mesosphere and perhaps part of the thermosphere.
[ 1945-50; CHEMO- + -SPHERE ]
/kee"meuh sfear', kem"euh-/ , n.
the region of the atmosphere most characterized by chemical, esp. photochemical, activity, starting in the stratosphere and including the mesosphere and perhaps part of the thermosphere.
[ 1945-50; CHEMO- + -SPHERE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012