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
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
Words Named After People
Find out who’s behind "leotard," "morphine," an...
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...