Phō'to-sphēre, n.
n. [Gr. φῶς, φωτός, light, and σφαῖρα, ball, sphere.] A sphere of light; especially, the luminous envelope of the sun.
n. [Gr. φῶς, φωτός, light, and σφαῖρα, ball, sphere.] A sphere of light; especially, the luminous envelope of the sun.