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Pronunciation:  u'strânumur

WordNet Dictionary
[n]  a physicist who studies astronomy

ASTRONOMER is a 10 letter word that starts with A.


 Synonyms: stargazer, uranologist
 See Also: Anders Celsius, Aristarchus of Samos, Asaph Hall, astrophysicist, Benjamin Peirce, Bessel, Bowditch, Celsius, Claudius Ptolemaeus, Clyde William Tombaugh, Copernicus, cosmologist, David Rittenhouse, Eddington, Edmond Halley, Edmund Halley, Edwin Hubble, Edwin Powell Hubble, Eratosthenes, Friedrich Wilhelm Bessel, Galileo, Galileo Galilei, George Ellery Hale, Giovanni Virginio Schiaparelli, Hale, Hall, Halley, Harlow Shapley, Henry Norris Russell, Henry Russell, Herschel, Hipparchus, Hubble, Huggins, Hypatia, Jan Hendrix Oort, Johan Kepler, Johann Muller, Johannes Kepler, John Herschel, Kepler, Langley, Laplace, Lovell, Lowell, Maria Mitchell, Marquis de Laplace, Mikolaj Kopernik, Mitchell, Muller, Nathaniel Bowditch, Newcomb, Nicolaus Copernicus, Omar Khayyam, Oort, Peirce, Percival Lowell, physicist, Pierre Simon de Laplace, Ptolemy, Regiomontanus, Rittenhouse, Russell, Samuel Pierpoint Langley, Schiaparelli, Shapley, Simon Newcomb, Sir Alfred Charles Bernard Lovell, Sir Arthur Stanley Eddington, Sir Bernard Lovell, Sir Frederick William Herschel, Sir John Frederick William Herschel, Sir John Herschel, Sir William Herschel, Sir William Huggins, Sitter, Thales, Thales of Miletus, Tombaugh, Willem de Sitter, William Herschel



Webster's 1913 Dictionary
\As*tron"o*mer\, n. [See {Astronomy}.]
1. An astrologer. [Obs.] --Shak.

2. One who is versed in astronomy; one who has a knowledge of
   the laws of the heavenly orbs, or the principles by which
   their motions are regulated, with their various phenomena.

         An undevout astronomer is mad.        --Young.