rock crystal

noun

: crystal sense 1

Examples of rock crystal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Early Egyptians used it in the form of rock crystal to make beads and small vases. — Literary Hub, 27 Apr. 2026 The artifact, believed to be made of either rock crystal or glass, was used to help scholars magnify the words of medieval manuscripts. — Andrea Margolis, FOXNews.com, 30 Oct. 2025 Frédéric Boucheron was the first jeweler to use rock crystal—material that was not considered as precious at the time. — Laurie Brookins, Travel + Leisure, 9 June 2026 The 1930s brooch is festooned with rows of rose-cut diamonds and tapered tiers of rock crystal, bookended by two pearls. — Hannah Jackson, Vogue, 17 Nov. 2025 See All Example Sentences for rock crystal

Word History

First Known Use

1666, in the meaning defined above

Time Traveler
The first known use of rock crystal was in 1666

Rhymes for rock crystal

See All Rhymes for rock crystal

Browse Nearby Words

rockcrusher
rock crystal
rock dash
See all Nearby Words

Cite this Entry

“Rock crystal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rock%20crystal. Accessed 7 Jul. 2026.

Copy Citation

Kids Definition

rock crystal

noun
: transparent quartz

More from Merriam-Webster on rock crystal

Britannica.com: Encyclopedia article about rock crystal

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All