v. & n.
--v.tr. & intr. make or become smaller or fewer.
--n.
1. the act or an instance of decreasing.
2 the amount by which a thing decreases.
Derivatives:
decreasingly adv.
Etymology: ME f. OF de(s)creiss-, pres. stem of de(s)creistre ult. f. L decrescere (as DE-, crescere cret- grow)