half-value layer

noun

half-val·​ue layer -ˈval-(ˌ)yü-, -ˈval-yə- How to pronounce half-value layer (audio)
: the thickness of an absorbing substance necessary to reduce by one half the initial intensity of the radiation passing through it

Dictionary Entries Near half-value layer

Cite this Entry

“Half-value layer.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/half-value%20layer. Accessed 8 Dec. 2022.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ