[puhmp-ak-shuh n] /ˈpʌmpˌæk ʃən/
(of a shotgun or rifle) having an action that extracts the empty case, loads, and cocks the piece by means of a hand-operated lever that slides backward and forward; slide-action.
(of a shotgun or other repeating firearm) operated by a slide-action mechanism feeding ammunition from a magazine under the barrel into the breech
spraying or dispensing liquid by means of a pump rather than using a propellant
pertaining to something that has a repeating action, as a gun or a spray dispenser
noun 1. the practice of buying shares, generating favourable publicity about them, especially on the internet, then selling them when the price accordingly rises modifier : Investigators reported two ”pump-and-dump” schemes in which Canadian companies were heavily hyped on computer bulletin board services. Their stock prices tripled or more in a short time, then collapsed […]
noun 1. a chamber of a pump in which a piston operates.
- Pumped and dumped
adjective phrase Exploited, then rejected; used and discarded: Poor Emmett is feeling ”pumped and dumped” (1990s+)
noun 1. a system for generating hydroelectric power for peak periods by pumping water from a lower to a higher reservoir during low-demand periods and then releasing it during peak periods. noun 1. (in hydroelectric systems) a method of using power at a period of low demand to pump water back up to a high […]