semiflint

Noun

 * 1) Maize or corn that is a hybrid where one parent species is flint and the other has a soft outer hull.
 * 2) Clay that is hard rather than plastic but that lacks the conchoidal fracture pattern of flint.
 * 1) Clay that is hard rather than plastic but that lacks the conchoidal fracture pattern of flint.
 * 1) Clay that is hard rather than plastic but that lacks the conchoidal fracture pattern of flint.