PLEXIMETER n.
A small, hard, elastic plate, as of ivory, bone, or rubber, placed in contact with body to receive the blow, in examination by mediate percussion. [Written also plexometer.]
PERCUSSION n.
be immediate if the blow is directly upon the body; if some interventing substance, as a pleximeter, is, used, it is called mediate. Center of percussion. See under Center. -- Percussion bullet, a bullet containing a substance which is exploded by percussion; an explosive bullet. -- Percussion cap, a small copper ca…