Definition

A floating device that listens for sounds underwater and sends signals to a receiver.

Example

The navy deployed several sonobuoys to monitor submarine activity in the area.

Conversation

Have you heard about the new sonobuoy technology they are using for marine research?

Yeah, I read that it can detect sounds from deep underwater!

Exactly! It's amazing how it can transmit data back to the surface.

I can only imagine how helpful that will be for scientists studying ocean life.

Synonyms & Antonyms

Root Explanation

Sonobuoy → It is formed from "sono-" (from Latin "sonus", meaning sound) and "buoy" (from Old French "boie", meaning a floating object). The word "sonobuoy" refers to a floating device that detects sound underwater, particularly for military or scientific purposes.

Memory Tip

Think of 'sound' ('sono-') and a 'floating object' ('buoy') — a sonobuoy is a device that floats on water to detect sounds beneath the surface.

Visually Confused Words