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Wordnet 3.0

NOUN (2)

1. a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color;
- Example: "Mars has two satellites"
[syn: Mars, Red Planet]

2. (Roman mythology) Roman god of war and agriculture; father of Romulus and Remus; counterpart of Greek Ares;


The Collaborative International Dictionary of English v.0.48:

Mars \Mars\ (m[aum]rz), prop. n. [L. Mars, gen. Martis, archaic Mavors, gen. Mavortis.] 1. (Rom. Myth.) The god of war and husbandry. [1913 Webster] 2. (Astron.) One of the planets of the solar system, the fourth in order from the sun, or the next beyond the earth, having a diameter of about 4,200 miles, a period of 687 days, and a mean distance of 141,000,000 miles. It is conspicuous for the redness of its light. [1913 Webster] 3. (Alchemy) The metallic element iron, the symbol of which [male] was the same as that of the planet Mars. [Archaic] --Chaucer. [1913 Webster] Mars brown, a bright, somewhat yellowish, brown. [1913 Webster]
WordNet (r) 3.0 (2006):

Mars n 1: a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color; "Mars has two satellites" [syn: Mars, Red Planet] 2: (Roman mythology) Roman god of war and agriculture; father of Romulus and Remus; counterpart of Greek Ares
Moby Thesaurus II by Grady Ward, 1.0:

90 Moby Thesaurus words for "Mars": Agdistis, Amor, Aphrodite, Apollo, Apollon, Ares, Artemis, Ate, Athena, Bacchus, Bellona, Ceres, Cora, Cronus, Cupid, Cybele, Demeter, Despoina, Diana, Dionysus, Dis, Earth, Enyo, Eros, Gaea, Gaia, Ge, Great Mother, Hades, Helios, Hephaestus, Hera, Here, Hermes, Hestia, Hymen, Hyperion, Jove, Juno, Jupiter, Jupiter Fidius, Jupiter Fulgur, Jupiter Optimus Maximus, Jupiter Pluvius, Jupiter Tonans, Kore, Kronos, Magna Mater, Mercury, Minerva, Mithras, Momus, Neptune, Nike, Odin, Olympians, Olympic gods, Ops, Orcus, Persephassa, Persephone, Phoebus, Phoebus Apollo, Pluto, Poseidon, Proserpina, Proserpine, Rhea, Saturn, Tellus, Tiu, Tyr, Uranus, Venus, Vesta, Vulcan, Woden, Wotan, Zeus, asteroid, inferior planet, major planet, minor planet, planet, planetoid, secondary planet, solar system, superior planet, terrestrial planet, wanderer
The Jargon File (version 4.4.7, 29 Dec 2003):

Mars n. A legendary tragic failure, the archetypal Hacker Dream Gone Wrong. Mars was the code name for a family of PDP-10-compatible computers built by Systems Concepts (now, The SC Group): the multi-processor SC-30M, the small uniprocessor SC-25, and the never-built superprocessor SC-40. These machines were marvels of engineering design; although not much slower than the unique Foonly F-1, they were physically smaller and consumed less power than the much slower DEC KS10 or Foonly F-2, F-3, or F-4 machines. They were also completely compatible with the DEC KL10, and ran all KL10 binaries (including the operating system) with no modifications at about 2--3 times faster than a KL10. When DEC cancelled the Jupiter project in 1983 (their followup to the PDP-10), Systems Concepts should have made a bundle selling their machine into shops with a lot of software investment in PDP-10s, and in fact their spring 1984 announcement generated a great deal of excitement in the PDP-10 world. TOPS-10 was running on the Mars by the summer of 1984, and TOPS-20 by early fall. Unfortunately, the hackers running Systems Concepts were much better at designing machines than at mass producing or selling them; the company allowed itself to be sidetracked by a bout of perfectionism into continually improving the design, and lost credibility as delivery dates continued to slip. They also overpriced the product ridiculously; they believed they were competing with the KL10 and VAX 8600 and failed to reckon with the likes of Sun Microsystems and other hungry startups building workstations with power comparable to the KL10 at a fraction of the price. By the time SC shipped the first SC-30M to Stanford in late 1985, most customers had already made the traumatic decision to abandon the PDP-10, usually for VMS or Unix boxes. Most of the Mars computers built ended up being purchased by CompuServe. This tale and the related saga of Foonly hold a lesson for hackers: if you want to play in the Real World, you need to learn Real World moves.
The Free On-line Dictionary of Computing (18 March 2015):

Mars A legendary tragic failure, the archetypal Hacker Dream Gone Wrong. Mars was the code name for a family of PDP-10 compatible computers built by Systems Concepts (now, The SC Group): the multi-processor SC-30M, the small uniprocessor SC-25M, and the never-built superprocessor SC-40M. These machines were marvels of engineering design; although not much slower than the unique Foonly F-1, they were physically smaller and consumed less power than the much slower DEC KS10 or Foonly F-2, F-3, or F-4 machines. They were also completely compatible with the DEC KL10, and ran all KL10 binaries (including the operating system) with no modifications at about 2--3 times faster than a KL10. When DEC cancelled the Jupiter project in 1983, Systems Concepts should have made a bundle selling their machine into shops with a lot of software investment in PDP-10s, and in fact their spring 1984 announcement generated a great deal of excitement in the PDP-10 world. TOPS-10 was running on the Mars by the summer of 1984, and TOPS-20 by early fall. Unfortunately, the hackers running Systems Concepts were much better at designing machines than at mass producing or selling them; the company allowed itself to be sidetracked by a bout of perfectionism into continually improving the design, and lost credibility as delivery dates continued to slip. They also overpriced the product ridiculously; they believed they were competing with the KL10 and VAX 8600 and failed to reckon with the likes of Sun Microsystems and other hungry startups building workstations with power comparable to the KL10 at a fraction of the price. By the time SC shipped the first SC-30M to Stanford in late 1985, most customers had already made the traumatic decision to abandon the PDP-10, usually for VMS or Unix boxes. Most of the Mars computers built ended up being purchased by CompuServe. This tale and the related saga of Foonly hold a lesson for hackers: if you want to play in the Real World, you need to learn Real World moves. [Jargon File]
U.S. Gazetteer Places (2000):

Mars, PA -- U.S. borough in Pennsylvania Population (2000): 1746 Housing Units (2000): 715 Land area (2000): 0.446948 sq. miles (1.157591 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.446948 sq. miles (1.157591 sq. km) FIPS code: 47672 Located within: Pennsylvania (PA), FIPS 42 Location: 40.696594 N, 80.012205 W ZIP Codes (1990): 16046 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mars, PA Mars