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Plutonian

[plʊ'tonɪən]

adj. 冥王星的；冥界的；深成岩的

英文词源

Plutonian (adj.): 1660s, "pertaining to the god Pluto," from Latin Plutonius, from Greek Ploutonius, from Plouton "pertaining to Pluto" (see Pluto). Geological sense is from 1828 (see plutonic). Planetary sense by 1952.