air equivalent


noun Physics.

a measure of the effectiveness of a material in absorbing nuclear radiation, expressed as the thickness of an air layer (at 0° C and 1 atmosphere) causing the same absorption.

Nearby words

  1. air drill,
  2. air drop,
  3. air duct,
  4. air embolism,
  5. air engine,
  6. air express,
  7. air filter,
  8. air fleet,
  9. air force,
  10. air force cross

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019