Fibroin is a 7 letter English word. It's valid Scrabble word worth 12 points. It's valid Words with friends word worth 14 points.
You can make 99 anagrams from letters in fibroin (bfiinor).
1860-65; French fibroïne; see fibro-, -in2
fibroin: a chemical compound found in silk, cobwebs and the like.
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