Dictionary.com
Thesaurus.com

intensitometer

American  
[in-ten-si-tom-i-ter] / ɪnˌtɛn sɪˈtɒm ɪ tər /

noun

  1. a device used to measure x-ray intensity in radiography in order to determine correct exposure time.


Etymology

Origin of intensitometer

intensit(y) + -o- + -meter