Astronomy

• POS: Noun
• HYPHEN: as=tron=o=my

CIDE DICTIONARY

Astronomy, n. [OE. astronomie, F. astronomie, L. astronomia, fr. Gr. , fr. astronomer; 'asth`r star + to distribute, regulate. See Star, and Nomad.].

•  Astrology.  [1913 Webster]

  "Not from the stars do I my judgment pluck;
  And yet methinks I have astronomy."  [1913 Webster]
•  The science which treats of the celestial bodies, of their magnitudes, motions, distances, periods of revolution, eclipses, constitution, physical condition, and of the causes of their various phenomena.  [1913 Webster]
•  A treatise on, or text-book of, the science.  [1913 Webster]

Physical astronomy. See under Physical.

OXFORD DICTIONARY

Astronomy, n. the scientific study of celestial bodies.

Derivative

astronomer n.

Etymology

ME f. OF astronomie f. L f. Gk astronomia f. astronomos (adj.) star-arranging f. nemo arrange

THESAURUS

Astronomy

astrogeology, astrognosy, astrography, astrolithology, astrophotography, astrophysics, celestial mechanics, gravitational astronomy, meteoritics, radar astronomy, radio astronomy, solar physics, spectrography, spectroscopy, stargazing, stellar photometry, uranography, uranology, uranometry

ROGET THESAURUS

Astronomy

World

N world, creation, nature, universe, earth, globe, wide world, cosmos, kosmos, terraqueous globe, sphere, macrocosm, megacosm, music of the spheres, heavens, sky, welkin, empyrean, starry cope, starry heaven, starry host, firmament, Midgard, supersensible regions, varuna, vault of heaven, canopy of heaven, celestial spaces, heavenly bodies, stars, asteroids, nebulae, galaxy, milky way, galactic circle, via lactea, ame no kawa, sun, orb of day, Apollo, Phoebus, photosphere, chromosphere, solar system, planet, planetoid, comet, satellite, moon, orb of night, Diana, silver-footed queen, aerolite, meteor, planetary ring, falling star, shooting star, meteorite, uranolite, constellation, zodiac, signs of the zodiac, Charles's wain, Big Dipper, Little Dipper, Great Bear, Southern Cross, Orion's belt, Cassiopea's chair, Pleiades, colures, equator, ecliptic, orbit, astronomy, uranography, uranology, cosmology, cosmography, cosmogony, eidouranion, orrery, geodesy, star gazing, star gazer, astronomer, observatory, planetarium, cosmic, cosmical, mundane, terrestrial, terrestrious, terraqueous, terrene, terreous, telluric, earthly, geotic, under the sun, sublunary, subastral, solar, heliacal, lunar, celestial, heavenly, sphery, starry, stellar, sidereal, sideral, astral, nebular, uranic, in all creation, on the face of the globe, here below, under the sun, die Weltgeschichte ist das Weltergesicht, earth is but the frozen echo of the silent voice o, green calm below, blue quietness above, hanging in a golden chain this pendant World, nothing in nature is unbeautiful, silently as a dream the fabric rose, some touch of nature's genial glow, this majestical roof fretted with golden fire, through knowledge we behold the World's creation.