illuminator

noun
il·​lu·​mi·​na·​tor | \ il-ˈü-mə-ˌnā-tər How to pronounce illuminator (audio) \

Medical Definition of illuminator

: one that illuminates especially : a device that gives physical light or that is used to direct light to a specific area or that is used to concentrate or reflect light

Learn More about illuminator

Cite this Entry

“Illuminator.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/illuminator. Accessed 20 Oct. 2020.

Comments on illuminator

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

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!