Definition

A machine used to extract oil from underground by lifting it to the surface through a borehole.

Example

The pumpjack worked tirelessly to bring oil to the surface from deep underground.

Conversation

Have you ever seen a pumpjack in action?

Yeah, I saw one during a road trip through Texas.

They look so interesting, especially how they move up and down.

I know, right? It's amazing how they help extract oil from the ground.

Synonyms & Antonyms

Root Explanation

Pumpjack → The word is a compound of 'pump' (from Middle English 'pompen', meaning to draw liquid) and 'jack' (from Middle English 'jakke', a diminutive form of 'Jack', often used to refer to a device or mechanism). A pumpjack is a mechanical device used to lift liquid, particularly oil, from a well.

Memory Tip

Think of 'pumping' liquid and a 'jack' as a device that helps lift it — that's why a pumpjack is a machine that draws liquid up.

Visually Confused Words