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“petrospheres”
In archaeology, the name for any spherical man-made object of any size that is composed of stone: These petrospheres are primarily prehistoric artistic objects which may have been created and/or selected, but altered in some way to perform their specific functions, including carving and painting.
This entry is located in the following units:
petro-, petr-, petri-, peter-
(page 5)
sphero-, spher-, -sphere-
(page 10)