© 2026 Sloth Lingo. Learn easy. Lounge wisely.

photon

Advanced (C1/C2)

IPA: /ˈfoʊtɒn/

KK: /ˈfoʊtɒn/

noun
Definition

A tiny particle of light that carries energy and has no mass or electric charge.


Example

The scientist explained how a photon can travel through space without losing energy.


Conversation
Sloth A
Have you ever heard of a photon?
Sloth B
Yeah, isn't it something to do with light?
Sloth A
Exactly! A photon is like a tiny packet of light energy.
Sloth B
That's really cool! I didn't realize it was so small.

Synonyms & Antonyms
Synonyms
quantum
particle
wave
Antonyms
darkness
shadow
obscurity
Root Explanation

Photon → It is formed from "photo-" (from Greek "phōs", meaning light) and "-on" (a suffix used in physics to denote particles). The word "photon" refers to a particle of light or a quantum of electromagnetic radiation.

Memory Tip

Think of 'light' ('photo-') being represented as a tiny particle ('-on'). This helps you remember that a photon is a particle of light.

Visually Confused Words
proton
potong
potion
ponton
phyton
poon
phoo
phonation
Is this page helpful?