sprayer

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“
Crude petroleum may be sprayed among the feathers by a hand-sprayer, while the fowls are suspended by the feet.

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Definitions (6)

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  1. One who or that which discharges spray; specifically, one of a large class of machines for applying liquid insecticides or fungicides to plants, consisting of a pneumatic or hydraulic force-pump and a suitable reservoir and discharge-nozle or spray-tip.
  2. A device or apparatus for making into a fine mist or spray the particles of liquid fuel which are to forma hydrocarbon vapor to be burned in internal-combustion motors. Air passes from the air-pump D by way of the annular channel b into the sprayer c, and there meets the oil jet issuing from a. Encyc. Brit., XXVIII. 189.
  3. Knapsack sprayer a combined reservoir and pump for spraying liquid insecticides and fungicides over trees and plants. It consists of a copper tank, resembling in form a knapsack, and designed to be carried on the back of the operator, combined with some form of pump for forcing the liquid through a hose. Several types of pumps are used, one employing a rubber compression-diaphragm, and another a rubber bulb, while others are simple piston-pumps placed inside the tank. Another method used is to force air under pressure into the tank, the air-pressure being sufficient to force the water through the hose and nozle. The illustration shows a knapsack sprayer with piston-pump operated by a hand-lever.

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Examples (42)

  • On the wall opposite him was painted in big black letters, probably from a paint sprayer, the word "Snooper!" —  Persephone and Hades
  • The sprayer was a simple thing like an old-time Flit gun. —  Map.html
  • Just put some neon yellow paint in the sprayer, and you've got a car that few will forget, even if they want to.
  • No more jumping in and out of the cab while the sprayer is dumping costly chemicals.
  • "Especially the first time out in the spring, you need to make sure your sprayer is all tuned up, that there are no leaks, the pump works properly, nothing is plugged and every component is functioning properly including electronics."
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