IPA: /ˈpʌmpəbl/
KK: /ˈpʌmpəbl/
Able to be moved or transferred using a pump.
The liquid is pumpable, making it easy to transport through the pipes.
Pumpable → It is formed from "pump" (from Middle English *pompen*, meaning to draw liquid) and "-able" (meaning capable of). The word "pumpable" means capable of being pumped or able to be drawn out using a pump.
Think of something that is 'capable of being drawn out' — 'pump' refers to the action of drawing liquid, and '-able' means it can be done.