Definition of sensitometer in English:

sensitometer

noun

Photography
  • A device for measuring the sensitivity of photographic equipment to light.

    • ‘With this sensitometer, proper exposure of either blue or green sensitive x-ray film is easily accomplished, with no need for internal adjustments.’
    • ‘There is a device called a sensitometer, which exposes the film so that when the film is developed, it has a series of densities on it, varying from clear to dark.’

Pronunciation:

sensitometer

/ˌsensəˈtämədər/