A mechanical device that measures the ease of penetration of an object into a semisolid / A device that measures the penetrating power of electromagnetic radiation (especially X-rays)

(transitive) To make angry. / (transitive) To make insane; to inflame with passion. / (intransitive, obsolete) To become furious.

(history) Cisalpine Gaul north of the river Po.

A small capsule containing a transmitter, introduced into the body for purposes of radiotelemetry.