basal plane
Webster's Dictionary (GCIDE)
Basal \Ba"sal\, a. Relating to, or forming, the base. [1913 Webster]
Basal cleavage. See under Cleavage.
Basal plane (Crystallog.), a plane parallel to the lateral or horizontal axis. [1913 Webster]
Basal cleavage. See under Cleavage.
Basal plane (Crystallog.), a plane parallel to the lateral or horizontal axis. [1913 Webster]