Red-star
noun, Astronomy.
1.
any star with a low surface temperature and a reddish color, as a red giant or a red dwarf.
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noun 1. any of several small, Old World thrushes, usually with reddish-brown tails, especially Phoenicurus phoenicurus (European redstart) 2. any of several fly-catching, New World warblers, especially Setophaga ruticilla (American redstart) having black and white plumage with reddish-orange patches. noun 1. any European songbird of the genus Phoenicurus, esp P. phoenicurus, in which the male […]
- Red-state
noun, U.S. Politics. 1. a state of the U.S. that usually votes Republican. noun any U.S. state that tends to vote for candidates of the Republican party in a general election Examples The phrase “red state, blue state, purple state” represents the American political map during a general election. Word Origin 2000-2004 red state
- Redstone
noun 1. a U.S. surface-to-surface ballistic missile powered by a single rocket engine.
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noun 1. a compound of oil and sesquioxide of iron used for polishing brass, steel, silver, etc.; crocus or rouge.
- Red supergiant
red supergiant An extremely large red giant star with a minimum of 15 solar masses. The best known red supergiant is Betelgeuse, with a luminosity about 10,000 times that of the Sun. When a supergiant collapses into a supernova, it may result in either a neutron star or a black hole.