Surface of a tooth (6)
I believe the answer is:
enamel
(Other definitions for enamel that I've seen before include "Glassy substance" , "art form" , "Hard glossy paint" , "Hard shiny coating on surface" , "Smooth hard paint" .)
I believe the answer is:
enamel
(Other definitions for enamel that I've seen before include "Glassy substance" , "art form" , "Hard glossy paint" , "Hard shiny coating on surface" , "Smooth hard paint" .)