| pluteal | <zoology> Of or pertaining to a pluteus. Source: Websters Dictionary (01 Mar 1998) |
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| pluteus | Origin: L, a shed. <zoology> The free-swimming larva of sea urchins and ophiurans, having several long stiff processes inclosing calcareous rods. Source: Websters Dictionary (01 Mar 1998) |
| pluto | The son of Saturn and Rhea, brother of Jupiter and Neptune; the dark and gloomy god of the Lower World. <zoology> Pluto monkey, a long-tailed African monkey (Cercopithecus pluto), having side whiskers. The general colour is black, more or less grizzled; the frontal band is white. Origin: L, fr. Gr. Source: Websters Dictionary (01 Mar 1998) |
| plutology | <study> The science which treats of wealth. Origin: Gr. Wealth. Source: Websters Dictionary (01 Mar 1998) |
| plutomania | <psychiatry> A delusion that one has great wealth. Origin: G. Ploutos, wealth, + mania, frenzy (05 Mar 2000) |
| plutonian | <geology> A Plutonist. Source: Websters Dictionary (01 Mar 1998) |
| plutonic | 1. Of or pertaining to Pluto; Plutonian; hence, pertaining to the interior of the earth; subterranean. 2. Of, pertaining to, or designating, the system of the Plutonists; igneous; as, the Plutonic theory. <geology> Plutonic action See Plutonism. Origin: Cf. F. Plutonique. See Pluto. Source: Websters Dictionary (01 Mar 1998) |
| plutonism | The theory, early advanced in geology, that the successive rocks of the earth's crust were formed by igneous fusion; opposed to the Neptunian theory. Origin: Cf. F. Plutonisme. Source: Websters Dictionary (01 Mar 1998) |
| plutonium | <chemical> Plutonium. A naturally radioactive element of the actinide metals series. It has the atomic symbol pu, atomic number 94, and atomic weight 242. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons. Chemical name: Plutonium (12 Dec 1998) |
| plutus | The son of Jason and Ceres, and the god of wealth. He was represented as bearing a cornucopia, and as blind, because his gifts were bestowed without discrimination of merit. Origin: L, fr. Gr. Source: Websters Dictionary (01 Mar 1998) |