volcanic glass

noun

Definition of volcanic glass 

: natural glass produced by the cooling of molten lava too rapidly to permit crystallization

Examples of volcanic glass in a Sentence

Recent Examples on the Web

Pele's hair: Pele's hair — fine strands of volcanic glass fibers — is formed from lava fountains and rapidly moving lava flows, the U.S. Geological Survey said. Doyle Rice, USA TODAY, "What in the world are vog, laze and Pele's hair? A volcano glossary," 1 June 2018 Residents also have had to contend with poisonous gases given off by the lava, which can include laze -- hydrochloric acid and volcanic glass particles. Paul P. Murphy, CNN, "Lava flow evaporates Hawaii's largest freshwater lake within hours," 6 June 2018 Lava from the volcano has also been spewing a deadly plume containing tiny particles of volcanic glass. James Rogers, Fox News, "Hawaii volcano: Kilauea lava boiled away Big Island's largest freshwater lake," 13 June 2018 The lava's entry into the ocean was also producing laze -- a hazardous mix of acidic steam, hydrochloric acid gas and tiny shards of volcanic glass. Faith Karimi, CNN, "Hawaii volcano's bubbling lava is enough to cover Manhattan," 8 June 2018 Volcanic ash produced by small explosions from the volcano is a mixture of tiny spheres and shards of volcanic glass, including Pele's hair. Doyle Rice, USA TODAY, "What in the world are vog, laze and Pele's hair? A volcano glossary," 1 June 2018 Made out of hydrochloric acid, steam, and shards of volcanic glass, the gas is hazardous to anyone who breathes it. Rachel Becker, The Verge, "The lava striking the sea is gorgeous — and can be deadly," 22 May 2018 When this happens, water boils away, and the resulting reactions produce a noxious plume of steam, hydrochloric acid, and shards of volcanic glass. Maya Wei-haas, Smithsonian, "A Brief Glossary of Volcano Vocab," 25 May 2018 Scientists have explained how lava from the Kilauea volcano is spewing a deadly plume containing tiny particles of volcanic glass. James Rogers, Fox News, "Hawaii volcano: Kilauea lava spews deadly 'laze' plume containing tiny shards of glass," 23 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'volcanic glass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of volcanic glass

1780, in the meaning defined above

Keep scrolling for more

Learn More about volcanic glass

Share volcanic glass

Statistics for volcanic glass

Last Updated

9 Sep 2018

Look-up Popularity

Time Traveler for volcanic glass

The first known use of volcanic glass was in 1780

See more words from the same year

More from Merriam-Webster on volcanic glass

See words that rhyme with volcanic glass

Britannica.com: Encyclopedia article about volcanic glass

Comments on volcanic glass

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

WORD OF THE DAY

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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!