An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 22 Search : ash
wash
  شستن   
šostan (#)

Fr.: laver   

To apply → water or other → liquid in order to cleanse.

M.E. washen; O.E. wascan, wæscan; cf. O.N. vaska, M.Du. wasscen, Du. wassen, Ger. waschen, from stem *wat-, the root of → water.

Mid.Pers. šustan, šuy- "to wash;" Av. xšaoδah- "flush of water," xšudra- "liquid, fluid; semen;" cf. Skt. ksod- "to dissolve;" Proto-Ir. *xšaud- "to wash" (Cheung 2007).

Washington Double Star Catalog
  کاتالوگ ِ ستارگان ِ دوتایی ِ واشینگتن   
kâtâlog-e setâregân-e dotâyi-ye Washington

Fr.: Washington Double Star Catalogue   

A stellar catalog which is the world's principal database of astrometric → double star information. It is maintained by the United States Naval Observatory. The WDS Catalog contains positions (J2000), discoverer designations, epochs, position angles, separations, magnitudes, spectral types, proper motions, and, when available, Durchmusterung numbers and notes for the components of 142552 systems (as of Feb 27 2018).

Washington, referring to the location of the United States Naval Observatory in Northwest Washington, D.C; → double; → star; → catalog.

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