ossify
Concise Oxford English Dictionary © 2008 Oxford University Press:
ossify /ˈɒsɪfʌɪ/
▶verb (ossifies, ossifying, ossified)
- 1 turn into bone or bony tissue.
- 2 (often as adj. ossified) cease developing; become inflexible.
– derivatives
ossification noun.
ossification noun.
– origin C18 (earlier (C17) as ossification): from Fr. ossifier, from L. os, oss- ‘bone’.
'ossify' also found in these Oxford entries:

