electromagnetic waves

Cultural  

1. Waves composed of undulating electrical fields and magnetic fields. The different kinds of electromagnetic waves, such as light and radio waves, form the electromagnetic spectrum. All electromagnetic waves have the same speed in a vacuum, a speed expressed by the letter c (the speed of light) and equal to about 186,000 miles (or 300,000 kilometers) per second.

---

Example Sentences

Instead of simply radiating outward, thermal energy can effectively tunnel across the narrow gap through electromagnetic waves.

From Science Daily • Jun. 8, 2026

Lasers and radio are both invisible electromagnetic waves but lasers, usually ultraviolet light, offer cost, security and space-saving advantages.

From The Wall Street Journal • May 12, 2026

Lasers and radio are both invisible electromagnetic waves but lasers, usually ultraviolet light, offer cost, security and space-saving advantages.

From The Wall Street Journal • May 12, 2026

The study also shows that changing the type of halogen on the surface alters how MXenes interact with electromagnetic waves.

From Science Daily • Apr. 4, 2026

So the Hab canvas shields from electromagnetic waves.

From "The Martian" by Andy Weir