Definition

A rod that is moved by a cam to control the opening and closing of valves in an engine.

Example

The mechanic replaced the pushrod to improve the engine's performance.

Conversation

I was reading about how engines work, and I came across something called a pushrod.

Oh really? What does a pushrod do exactly?

It's a rod that helps open and close the valves in an engine.

That sounds interesting! I didn't know that part of the engine was called a pushrod.

Synonyms & Antonyms

Root Explanation

Pushrod → The word is formed from "push" (from Old English "pyssan", meaning to exert force) and "rod" (from Old English "rodd", meaning a straight stick or bar). A pushrod is a rod that exerts force to transmit motion in machinery.

Memory Tip

Think of 'pushing' something with a 'rod' — that's how a pushrod works to transmit force.

Visually Confused Words