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

spongin

play
noun spon·gin \ˈspən-jən\

Definition of spongin

  1. :  a scleroprotein that is the chief constituent of flexible fibers found in certain sponge skeletons



Origin of spongin

German, from Latin spongia sponge


First Known Use: circa 1868

Rhymes with spongin


Medical Dictionary

spongin

play
noun spon·gin \ˈspən-jən\

Medical Definition of spongin

  1. :  a scleroprotein that is the chief constituent of flexible fibers in sponge skeletons




Learn More about spongin


Seen and Heard

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

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry maudlin oily prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ