| 单词 | bone age | 
| 释义 | > as lemmasbone age   bone age  n. 		 (a) Archaeology a prehistoric period characterized by a preponderance of bone artefacts (cf. stone age n. a, Iron Age n.1 3, etc.) (now rare or disused);		 (b) Anthropology and Medicine the stage of maturation of a person's skeleton as determined by post-mortem or X-ray examination (often compared with chronological age in diagnostic investigations of short stature in children). ΚΠ 1864    Anthropol. Rev. 2 313  				This would constitute the wood and bone age, of which, from the perishable nature of the materials, we can, of course, possess but slender records.]			 1867    Harper's Mag. Nov. 785/1  				The wondrous romance of Man, which is being recovered chapter by chapter—Stone Age, Bone Age, Bronze Age, Iron Age. 1920    T. W. Todd in  Amer. Jrnl. Physical Anthropol. 3 317  				No. 26 of age forty.., is from a skeleton the bone age of which, like the pubis in particular, indicates an age of about thirty-five years. 1938    Bull. Art Inst. Chicago Feb. 27  				The objects shown..cover a period of some eight thousand years, from the bone age to our present century. 2012    Wall St. Jrnl. 24 July  d2/5  				If a 10-year-old is unusually short and has a bone age of only 8, we can reassure him that he's got several more years of growing yet to do. < as lemmas | 
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