The minimum amount of x-rays or other form of radiation sufficient to produce redness of the skin after application, regarded as the dose that is safe to give at one time.
Words That Can Ruin Your SentenceActually . . . crutch words slip into sentences in order to give the speaker more time to think or to emphasize a statement. Over time, they become unconscious verbal tics. Here are some crutch words to avoid!
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.