'Dropping tube' definitions:

Definition of 'Dropping tube'

From: GCIDE
  • Dropping \Drop"ping\, n.
  • 1. The action of causing to drop or of letting drop; falling. [1913 Webster]
  • 2. pl. That which falls in drops; the excrement or dung of animals; -- often used in the plural. [1913 Webster]
  • 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. [1913 Webster]