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New English :: planet-friendly
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planetology.html - (Environment) see -friendly |
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Traditional English :: planet
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planetology.html - n. 1 a celestial body moving in an elliptical orbit round a star; the earth. 2 esp. Astrol. hist. a celestial body distinguished from the fixed stars by having an apparent motion of its own (including the moon and sun), esp. with reference to its supposed influence on people and events. planetology n. [ME f. OF planete f. LL planeta, planetes f. Gk planetes wanderer, planet f. planaomai wander] |
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Traditional English :: planetarium
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planetology.html - n. (pl. planetariums or planetaria) 1 a domed building in which images of stars, planets, constellations, etc. are projected for public entertainment or education. 2 the device used for such projection. 3 = ORRERY. [mod.L (as PLANET)] |
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Traditional English :: planetary
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planetology.html - adj. 1 of or like planets (planetary influence). 2 terrestrial; mundane. 3 wandering; erratic. planetary nebula a ring-shaped nebula formed by an expanding shell of gas round a star. [LL planetarius (as PLANET)] |
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Traditional English :: planetesimal
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planetology.html - n. any of a vast number of minute planets or planetary bodies. planetesimal hypothesis the theory that planets were formed by the accretion of planetesimals in a cold state. [PLANET, after infinitesimal] |
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Traditional English :: planetoid
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planetology.html - n.
= ASTEROID. |
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