ossein

noun

os·​se·​in ˈä-sē-ən 

: the collagen of bones

Word History

Etymology

International Scientific Vocabulary, from Latin oss-, os

First Known Use

1857, in the meaning defined above

Medical Definition

ossein

noun

os·​se·​in ˈäs-ē-ən 

: the chief organic substance of bone tissue that remains as a residue after removal of the mineral matters from cleaned degreased bone by dilute acid and is used in making gelatin : the collagen of bones