refractivity

noun
re·​frac·​tiv·​i·​ty | \ ˌrē-ˌfrak-ˈtiv-ət-ē, ri- How to pronounce refractivity (audio) \
plural refractivities

Medical Definition of refractivity

: the ability of a substance to refract light expressed quantitatively specifically : the index of refraction minus one

Learn More About refractivity

Dictionary Entries Near refractivity

refractive index

refractivity

refractometer

See More Nearby Entries 

Cite this Entry

“Refractivity.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/refractivity. Accessed 28 Jul. 2021.

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

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
True or False

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

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!