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1. To extract something out of something or some place by using a pump or suction. In this usage, a noun or pronoun can be used between "pump" and "out." The doctors had to pump the alcohol out of his stomach before his body went into toxic shock. The rains have been so heavy that we've been pumping out our basement for days.
2. To empty something or some place of its contents by using the force of a vacuum to suck the contents out. In this usage, a noun or pronoun can be used between "pump" and "out." We'll have to pump the construction site out before we can lay down any concrete. They're pumping out the lab because a student accidentally created chlorine gas by mixing bleach with ammonia.
3. To flow or surge out of something freely, rapidly, and with force. Oil pumped out of the offshore well for days before a crew was able to fix the leak. Carbon dioxide pumps out of these plants all day, every day.
4. To create or generate copious amounts of something, especially continuously or at great length. Often used to imply the things are being created in a cheap, efficient manner, often reflected in their low quality. In this usage, a noun or pronoun can be used between "pump" and "out." He made a career of pumping out cheesy romance novels. People complain about how bad the movies in this series are, but people go out and see them every time the studio pumps another one out. This factory alone pumps out roughly 85,000 smartphones a month.
1. To force or suck something, as a liquid or gas, out of something by means of a pump: The contractors pumped the water out of the ditch. They pumped out the sewage that had flooded the basement.
2. To force the liquid or gas out of something by means of a pump: When the rain finally stopped, we rented a sump pump and pumped out our basement. The holes had filled with water, so the contractors pumped them out before pouring the concrete footings.
3. To flow out of something rapidly and forcefully: When the firefighters arrived, smoke was pumping out of the windows. Blood was pumping out, so the doctor tied a tourniquet around the patient's arm.
4. To produce something continuously and in large amounts: That factory pumps out a lot of toxic waste. Movie sequels continue to make money, and studios continue to pump them out.