Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

ultramicroscope

play
noun ul·tra·mi·cro·scope \ˌəl-trə-ˈmī-krə-ˌskōp\

Definition of ultramicroscope

  1. :  an apparatus for making visible by scattered light particles too small to be perceived by an ordinary microscope



Origin of ultramicroscope

back-formation from ultramicroscopic


First Known Use: 1906


Medical Dictionary

ultramicroscope

play
noun ul·tra·mi·cro·scope \ˌəl-trə-ˈmī-krə-ˌskōp\

Medical Definition of ultramicroscope

  1. :  an apparatus for making visible by scattered light particles too small to be perceived by the ordinary microscope—called also dark-field microscope

  2. ul·tra·mi·cros·co·py \-mī-ˈkräs-kə-pē\play noun, plural ul·tra·mi·cros·co·pies




Learn More about ultramicroscope


Seen and Heard

What made you want to look up ultramicroscope? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 100 pounds 2.2 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ