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