Learn how to say Ossification correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word ossify:
verb (ossifies, ossifying, ossified)
1turn into bone or bony tissue:
these tracheal cartilages may ossify
2 (often as adjective ossified) cease developing; stagnate:
ossified political institutions
early 18th century: from French ossifier, from Latin os, oss- ‘bone’