Mi·​cro·​sco·​pi·​um | \ ˌmī-krō-ˈskō-pē-əm How to pronounce Microscopium (audio) \

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

1802, in the meaning defined above

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The first known use of Microscopium was in 1802

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to reflect, repel, echo, or resound

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