Definitions
from The Century Dictionary.
- noun See
minor planet . - noun One of the group of very small planets revolving round the sun between the orbits of Mars and Jupiter, remarkable for the eccentricity of their orbits and the greatness of their angle of inclination to the ecliptic; a minor planet; an asteroid.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Astron.) A body resembling a planet; an asteroid.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy An
asteroid of any size - noun astronomy An asteroid-like body in an orbit beyond the asteroid belt, such as a
centaur orKuiper belt object - noun astronomy A larger,
planetary , body in orbit around the Sun, such asVesta or (candidate)dwarf planets suchEris orSedna - noun astronomy A
dwarf planet
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any of numerous small celestial bodies that move around the sun
Etymologies
Sorry, no etymologies found.
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Examples
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We don't have a good definition for planet, but this thing is a little bit smaller than something I'd be willing to call a planet, so we sort of made up the name planetoid to try to describe what it is.
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It's not very big, but suddenly the planetoid is the talk of the solar system.
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BROWN: Actually, as it stands right now, I would say there only eight planets, because I would say Pluto really deserves to be called a planetoid, too.
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The Paraman The small, fuse-replacing servo which had caused near panic among the entire population of, a planetoid was a funny little thing.
The Dragon Lensman Kyle, David, 1919- 1981
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Unless the Earth atmosphere derived from earlier impacts such as Theia in which, as I understand it, astronomers have models suggesting that Earth captured most of both "planetoid" atmospheres and left the Moon airless, there likely wasn't a primitive atmosphere for abiogenesis to occur in before the LHB.
Earth's Atmosphere Came from Outer Space | Universe Today 2009
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Today, CalTech astronomers announced the discovery of a "planetoid" eight billion miles from Earth, or more more than three times the distance of Pluto.
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But I kind of like the word "planetoid," because planetoid it means planet-like.
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The new "planetoid," named Sedna after an Inuit goddess who created the sea creatures of the Arctic, is by far the coldest and most distant object known to orbit the sun, a team of researchers announced.
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One of the great cosmic tragedies in the past few years was the sad demotion of Pluto from a planet to a mere "planetoid".
pfblogs.org: The Ad-Free Personal Finance Blogs Aggregator (real estate blogs) 2008
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One of the great cosmic tragedies in the past few years was the sad demotion of Pluto from a planet to a mere "planetoid".
pfblogs.org: The Ad-Free Personal Finance Blogs Aggregator (real estate blogs) 2008
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