Definition of penetrameter in English:

penetrameter

noun

  • An instrument for determining the wavelength, intensity, or total received dose of X-rays by measuring photographically their transmission through layers of metal of known thickness.

Origin

Early 20th century. From penetra- + -meter. Compare French pénétratomètre.

Pronunciation

penetrameter

/pɛnɪˈtramɪtə/