Assertion: rib's bone | /r/HasProperty | about 12 cm
Facets:
value: to 18 cm
type: OTHER
value: in length
type: OTHER
value: to 7
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: Rhythm bones are typically about 12 cm to 18 cm (5" to 7") in length, but can be much longer, and they are often curved, roughly resembling miniature barrel staves.