concave grating

noun

Definition of concave grating

: a reflection grating ruled on a concave mirror

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about concave grating

Share concave grating

Dictionary Entries near concave grating

concausal

concause

concave

concave grating

concave polygon

concaver

concavity

Statistics for concave grating

Look-up Popularity

Comments on concave grating

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

WORD OF THE DAY

esteemed in general opinion

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
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!