| 释义 |
‖ diˈhelios Astr.
Also dihelium (in mod. Dicts. dihely).
[mod.L. f. Gr. δι- = διά through + ἥλιος sun.]
(See quot.)
1727–51Chambers Cycl., Dihelios, in the elliptical astronomy, a name which Kepler gives to that ordinate of the ellipsis, which passes through the focus, wherein the sun is supposed to be placed. |