crown glass

noun

Definition of crown glass

1 : a glass blown and whirled into the form of a disk with a center lump left by the worker's rod
2 : alkali-lime silicate optical glass having relatively low refractive index and low dispersion value

First Known Use of crown glass

1694, in the meaning defined at sense 1

Keep scrolling for more

Learn More about crown glass

Time Traveler for crown glass

Time Traveler

The first known use of crown glass was in 1694

See more words from the same year

Statistics for crown glass

Cite this Entry

“Crown glass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crown%20glass. Accessed 13 Jul. 2020.

More from Merriam-Webster on crown glass

Britannica.com: Encyclopedia article about crown glass

Comments on crown glass

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

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!