Longman Dictionary of Contemporary English
fall-off
noun
EXAMPLES FROM CORPUS
▪ The organizer says that retail consolidation was responsible for some of the fall-off.
Wiktionary
fall-off
n. (alternative spelling of falloff English)
Usage examples of "fall-off".
The signal fall-off from the observed direction of signal maximum followed a circular normal distribution, with a one-sigma value of 1.