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Photon Meaning in English

word

Definition

A photon is a tiny particle of light or electromagnetic energy. It is the basic unit that makes up all light.

Usage & Nuances

Used mostly in scientific and academic contexts; common in physics, especially when discussing light, lasers, or quantum mechanics. Not used in daily conversation.

Example Sentences

A photon travels at the speed of light.

basic

You can’t see a single photon with your eyes, but together they create all the light we see.

natural

In science class, we learned that every color is made by different energy levels of photons.

natural

The sun sends many photons to Earth every second.

basic

A laser beam is made up of photons.

basic

Some modern cameras can actually detect single photons in the dark!

natural