fulgurite

noun ful·gu·rite \ ˈfu̇l-g(y)ə-ˌrīt , ˈfu̇l-jə- , ˈfəl- \

Definition of fulgurite

: an often tubular vitrified crust produced by the fusion of sand or rock by lightning

Recent Examples of fulgurite from the Web

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

Origin and Etymology of fulgurite

International Scientific Vocabulary, from Latin fulgur


Learn More about fulgurite


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a figure representing a hated person

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”?
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!