[os.si.fy] vb -fied ; -fy.ing [L oss-, os + E -ify] vi (1713) 1: to change into bone
2: to become hardened or conventional and opposed to change ~ vt 1: to change (as cartilage) into bone
2: to make rigidly conventional and opposed to change
[os.si.fy] vb -fied ; -fy.ing [L oss-, os + E -ify] vi (1713) 1: to change into bone
2: to become hardened or conventional and opposed to change ~ vt 1: to change (as cartilage) into bone
2: to make rigidly conventional and opposed to change
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012