glass sponge

noun

Definition of glass sponge

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

Examples of glass sponge in a Sentence

Recent Examples on the Web In the Pacific Northwest, sub enthusiasts can ride on tours of the beautiful 9,000-year-old glass sponge reefs off the coast of British Columbia, the only living specimens known to exist. Karen Carmichael, National Geographic, "Don’t scuba? Here are 10 other underwater thrills," 7 June 2019 Moving between mid-water and the deep sea, Phillips and Gruber were able to handle a wide range of organisms, like a glass sponge, a sea cucumber, a branching coral, and even free-floating bioluminescent tunicates. David Grossman, Popular Mechanics, "This Soft Robotic Arm Is Built To Study the Ocean's Most Delicate Creatures," 3 Oct. 2018

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

First Known Use of glass sponge

1875, in the meaning defined above

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The first known use of glass sponge was in 1875

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Cite this Entry

“Glass sponge.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/glass%20sponge. Accessed 15 December 2019.

More from Merriam-Webster on glass sponge

Britannica.com: Encyclopedia article about glass sponge

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