decrease in size, extent, or range; "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fall to under a hundred pounds"; "his voice fell to a whisper"
the act of decreasing or reducing something
make smaller; "He decreased his staff"
a change downward; "there was a sharp drop-off in sales"
a change downward; "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"