rocket engine

NOUN

jet engine with reaction propulsion

Synonyms

WEAK

reaction engine rocket rocket motor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

North Korean leader Kim Jong Un oversaw the ground test of an upgraded rocket engine, state media reported on Sunday, marking another key step in its weapons programme.

From Barron's • Mar. 29, 2026

Arbor’s solution is more like a tree-powered rocket engine.

From Los Angeles Times • Sep. 30, 2025

But the company failed to land New Glenn's main rocket engine, or booster, onto a platform in the Atlantic Ocean.

From BBC • Jan. 16, 2025

During a test of a Harpoon anti-ship missile, its booster — the rocket engine that launches the missile — was “activated” but not ignited, and then it could not be deactivated, the Danish military said.

From New York Times • Apr. 4, 2024

Not if we work on building a better rocket engine.

From "The Benefits of Being an Octopus" by Ann Braden