Definition of "ossify"

[…] , nor do all bones of the same skeleton ossify during the samе period of time.

1884, Arthur C. Cole, Studies in Microscopical Science‎, page 35

Before long, the entire organization ossifies.

1996, Peter Schwartz, The Art of the Long View, page 96

Possession of absolute knowledge would ossify the human spirit, quenching human creativity;

2006, Michael S. Jones, Metaphysics of Religion: Lucian Blaga and Contemporary Philosophy, page 79

This accidental repartition gets repeated, develops advantages of its own, and gradually ossifies into a systematic division of labour.

1886, Samuel Moore, “Chapter 14”, in Capital, volume I, translation of original by Karl Marx

Now, in turn, we apply a revolutionary critique that […] ossifies into a rhetoric to become "the monstrous Latin of a monstrous church."

2001, Kevin O'Neill, David Suchoff, The Wisdom of Love, translation of original by Alain Finkielkraut, page 55

[T]he charge threatens to ossify into conventional wisdom before the movie's audience can get to theaters to see how misguided it is.

2005 December 20, Michelle Goldberg, “The war on 'Munich'”, in Salon.com‎, archived from the original on 6 March 2008

The cartilages become brittle, and in many instances are ossified; the ligaments are rendered harder, but are less capable of resisting extension.

1850, Roxey Ann Caplin, “Chapter X”, in Health and Beauty