Dropping /(?)/

Drop·ping

Dropping

n.
  1. The action of causing to drop or of letting drop; falling.
  2. That which falls in drops; the excrement or dung of animals; -- often used in the plural.

Phrases & Compounds
Dropping bottle
an instrument used to supply small quantities of a fluid to a test tube or other vessel.
Dropping fire
a continued irregular discharge of firearms.
Dropping tube
a tube for ejecting any liquid in drops.