Akademik
merohedrism
\\ˌ ̷ ̷ ̷ ̷ˈhēˌdrizəm, -ˈheˌ-\
noun
(
-
s
)
Etymology:
mer-
(
III
)
+ Greek
hedra
seat + English
-
ism
:
the
conditioning of a crystal due to symmetrical suppression of half or three fourths of the faces of the holohedral form
Useful english dictionary
.
2012
.