Search Result for "bone age":
Wordnet 3.0

NOUN (1)

1. a person's age measured by matching their bone development (as shown by X rays) with bone development of an average person of known chronological age; 



WordNet (r) 3.0 (2006):

bone age
    n 1: a person's age measured by matching their bone development
         (as shown by X rays) with bone development of an average
         person of known chronological age