[ 'ɒsɪfʌɪ ]
■ verb ( ossifies , ~ing , ossified )
1》 turn into bone or bony tissue.
2》 [often as adjective ossified ] cease developing; become inflexible.
Derivatives
ossification noun
Origin
C18 (earlier (C17) as ossification ): from Fr. ossifier , from L. os , oss- 'bone'.