Medical Dictionary


noun pen·e·tram·e·ter \ˌpen-ə-ˈtram-ət-ər\

Medical Definition of PENETRAMETER

:  an instrument for measuring the penetrating power of radiation (as X-rays) by comparing transmission through different absorbers—called also penetrometer


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears