apertometer

noun
ap·​er·​tom·​e·​ter | \ ˌap-ər-ˈtäm-ət-ər How to pronounce apertometer (audio) \

Medical Definition of apertometer

: an instrument for measuring the numerical aperture of objectives (as those of a microscope)

Learn More About apertometer

Dictionary Entries Near apertometer

aperitive

apertometer

Apert syndrome

See More Nearby Entries 

Cite this Entry

“Apertometer.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/apertometer. Accessed 25 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!