Plutonian, a. (n.)
(pluːˈtəʊnɪən)
[f. L., Plūtōnius (ad. Gr. Πλουτώνι-ος, f. Πλούτων Pluto, the god of the infernal regions) + -an. So F. plutonien.]
1. Of or pertaining to Pluto; belonging to or suggestive of the infernal regions; infernal.
| 1667 Milton P.L. x. 444 He..from the dore Of that Plutonian Hall, invisible Ascended his high Throne. 1831 Poe Raven Poems 47 Tell me what thy lordly name is on the Night's Plutonian shore. 1889 R. Dowling Isle of Surrey (1891) 171 In the plutonian darkness under the bridge. |
2. Geol. = plutonic 1.
| 1828 Webster s.v., The Plutonian theory of the formation of rocks and mountains is opposed to the Neptunian. 1860 All Year Round IV. 250 The moon is the object in which to study plutonian action. |
B. n. Geol. = plutonist.
| 1828 Webster, Plutonian, n. One who maintains the origin of mountains, etc. to be from fire. Journ. of Science. |