Triangulum

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noun Tri·an·gu·lum \trī-ˈaŋ-gyə-ləm\

Definition of Triangulum

astronomy

  1. :  a small northern constellation that is visible between the constellations of Andromeda and Aries and that is represented by the figure of an isosceles triangle Triangulum: A small constellation, its name comes from its three brightest stars, which form a long and narrow triangle. — Graham Henry, South Wales Echo, 20 Jan. 2012

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1695

First Known Use of triangulum

1695


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