- Classical Mythology. a name given to Hades, under which he is identified by the Romans with Orcus.
- Astronomy. a dwarf planet having an equatorial diameter of about 2100 miles (3300 km), a mean distance from the sun of 3.674 billion miles (5.914 billion km), a period of revolution of 248.53 years, and one known moon, Charon. Until 2006, Pluto was classified as a planet ninth in order from the sun; the International Astronomical Union has reclassified it as a dwarf planet.
Examples from the Web for pluto
Choosing to strike while the iron was hot, Future announced his followup to Pluto, Future Hendrix, right away.Future Makes Us Rethink Everything We Thought We Knew About Rap Artists
December 15, 2014
That makes it appear about six times brighter than Pluto, but still far fainter than any star we can see with the unaided eye.The Hypervelocity Star That’s Being Booted from the Galaxy
Matthew R. Francis
May 11, 2014
In particular, Pluto could be ringed: we know it has at least five moons, which, other than Charon, are tiny.Chariklo, a Minor Planet Nicknamed a “Centaur,” Discovered to Have Rings
Matthew R. Francis
April 6, 2014
Pluto is god of the underworld whose wife Persephone sits frozen, entranced or asleep on her throne.
The Moon makes a poignant link to Pluto in your sign, by Monday, amping intuition of new people and situations.
But the duskier it grew, the more did Pluto's visage assume an air of satisfaction.
They call my name Pluto; and I am the king of diamonds and all other precious stones.
It seemed to me that he was Pluto, the god of the infernal regions, and I was Proserpine.My Double Life
Neptune took the ocean, Pluto the center of the earth, and Jupiter the skies.
She begged of him to command his brother Pluto to return her daughter to her.
- classical myth the god of the underworld; Hades
- the second-largest dwarf planet in the solar system, located in the Kuiper belt; discovered in 1930 by Clyde Tombaugh (1906–97); classified as a planet until 2006, when it was reclassified as a dwarf planet. It has a diameter of 2390 km
- the code name of pipelines laid under the English Channel to supply fuel to the Allied forces landing in Normandy in 1944
Word Origin and History for pluto
Roman god of the underworld, brother of Zeus and Neptune, from Latin Pluto, Pluton, from Greek Plouton "god of wealth," literally "wealth, riches," probably originally "overflowing," from PIE *pleu- "to flow" (see pluvial). The planet (since downgraded) was discovered 1930 by C.W. Tombaugh; Minerva also was suggested as a name for it. The cartoon dog first appeared in Walt Disney's "Moose Hunt," released April 1931.
- A dwarf planet that until 2006 was classified as the ninth planet in the Solar System. Pluto was not discovered until 1930, when Clyde Tombaugh noticed it while searching for an unknown planet thought to influence Uranus's orbit. Pluto's surface is covered with frozen methane and other ices, and its extremely thin atmosphere consists primarily of methane and nitrogen. Between 1979 and 1999 Pluto crossed inside Neptune's orbit. Pluto has three moons: Charon (discovered in 1978) and Hydra and Nix (both discovered in 2005). See Table at solar system.
The Roman name of Hades, the Greek and Roman god of the underworld and ruler of the dead.