Definition of Microscopium
: a southern constellation that is visible between the constellations of Capricornus and Indus and that is represented by the figure of a microscope Two red dwarf stars in the southern hemisphere constellation called Microscopium are emitting unpredictable eruptions like giant versions of the small-scale flares that have been seen on the sun for more than a century. — David Perlman, San Francisco Chronicle, 1 Sept. 1992
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First Known Use of microscopium
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