|1.||[ noun ] a sudden sharp decrease in some quantity|
|Synonyms:||drop dip fall|
"a drop of 57 points on the Dow Jones index" "there was a drop in pressure in the pulmonary artery" "a dip in prices" "when that became known the price of their stock went into free fall"
|Related terms:||decrease voltage_drop correction decrease|
|2.||[ noun ] the ideal falling motion of something subject only to a gravitational field|