dark field

noun
Updated on: 21 Apr 2018

Definition of dark field

: the dark area that serves as the background for objects viewed in an ultramicroscope

Recent Examples of dark field from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dark field.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of dark field

1865

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

dark field

noun

medical Definition of dark field

: the dark area that serves as the background for objects viewed in an ultramicroscope

dark-field

adjective

Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a large number

Get Word of the Day daily email!

Test Your Vocabulary

Odd Habits and Quirks Quiz

  • image1926873504
  • Which of the following best describes an easily irritated person?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!