v. Simple past tense and past participle of delay.
The Century Dictionary and Cyclopedia
Mixed; alloyed; diluted.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not as far along as normal in development
Word Usage
"Because there are only a few primed cells likely to be in any region of tissue at any given time, it takes some time for the inflammatory response to develop and hence the term delayed hypersensitivity response."