from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To change into bone; become bony.
- intransitive v. To become set in a rigidly conventional pattern: "The central ideas of liberalism have ossified” ( Jeffrey Hart).
- transitive v. To convert (a membrane or cartilage, for example) into bone.
- transitive v. To mold into a rigidly conventional pattern.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To transform (or cause to transform) from a softer animal substance into bone; particularly the processes of growth in humans and animals.
- v. To become (or cause to become) inflexible and rigid in habits or opinions.
- v. To grow (or cause to grow) formulaic and permanent.
- v. To calcify.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To form into bone; to change from a soft animal substance into bone, as by the deposition of lime salts.
- transitive v. To harden.
- intransitive v. To become bone; to change from a soft tissue to a hard bony tissue.
from The Century Dictionary and Cyclopedia
- To make or form bone in or of; cause ossification in or of; convert into bone, as membrane or cartilage; harden like bone; render osseous.
- To become bone; undergo ossification; change or be changed from soft tissue to bone.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. make rigid and set into a conventional pattern
- v. cause to become hard and bony
- v. become bony
Latin os, oss-, bone; see ost- in Indo-European roots + -fy.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin os, ossis ("bone") + -ify (Wiktionary)