To save this word, you'll need to log in.
Mi·cro·sco·pi·um | \ ˌmī-krō-ˈskō-pē-əm 
\
\Definition of Microscopium
astronomy
: 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
Keep scrolling for more
Comments on Microscopium
What made you want to look up Microscopium? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
More Confusing Words—Quiz
- The magician
______moved the selected card to the top of the deck.
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- More Confusing Words—Quiz
How many of these commonly confused words do you know?
Take the quiz - Name that Thing: Toys and Games Edition
It's all fun and games until someone beats your high score.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Add Diction
Build a chain of words by adding one letter at a time.
Play the game
Share Microscopium
Time Traveler for Microscopium
The first known use of Microscopium was in 1802
See more words from the same year