spongin
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
10
Scrabble Score
7
Letters
2
Syllables
6
Unique Chars
Meaning
noun
A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain classes of sponges. A proteinaceous compound of which the spicules in Demospongiae are composed.
Etymology
From sponge + -in.