Longman Dictionary of Contemporary English
osteo-
prefix
EXAMPLES FROM OTHER ENTRIES
▪ osteoporosis
The Collaborative International Dictionary
osteo-
osteo- \os"te*o-\ pref. A combining form of Gr. 'oste`on a bone.
Douglas Harper's Etymology Dictionary
osteo-
before vowels oste-, word-forming element meaning "bone, bones," from Greek osteon "bone" (see osseous).
Wiktionary
osteo-
pre. bone