Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

glass sponge

noun

Definition of glass sponge

  1. :  any of a class (Hexactinellida syn. Hyalospongiae) of chiefly deep-water siliceous marine sponges with 6-rayed spicules and a skeleton often resembling glass when dried



1875

First Known Use of glass sponge

1875


Learn More about glass sponge


Seen and Heard

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

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 16.96 pounds 2.2 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ