barysphere
(ˈbærɪsfɪə(r))
[f. Gr. βαρύ-ς heavy + σϕαῖρα sphere n.]
The internal substance of the earth enclosed by the lithosphere.
| 1901 Science 15 Nov. 747 It was argued by Posepny that the ores came from the barysphere. 1926 Encycl. Brit. New Suppl. II. 172 The bulk of the earth consists of a nickel-iron mass, the barysphere, which is enclosed by a rocky crust, the lithosphere. |