---
title: "Kuosan Meaning: 扩散 (kuòsàn) Means “to spread”"
description: "扩散 (traditional 擴散, kuòsàn) means “to spread; to diffuse”. Hear its tones, see what 扩 and 散 each mean and a real sentence that uses it."
canonical: "https://mandarinthewild.com/meaning/kuosan"
published: "2026-10-21"
updated: "2026-11-06"
author: "Mandarin The Wild"
---

[What does it mean in Chinese?](https://mandarinthewild.com/meaning)

# What does 扩散 mean?

猫头鹰māotóuyīngowl

扩散 kuòsàn

## to spread; to diffuse

## It can also mean

- (med.) to metastasize

## Its characters

1. 扩 kuò to expand
2. 散 sàn to break up

## In a sentence

消息很快在网上扩散开了。 The news quickly spread online.

[More about 扩散](https://mandarinthewild.com/words/%E6%89%A9%E6%95%A3)

## More words with 扩 or 散

- [分散 fēnsàn](https://mandarinthewild.com/meaning/fensan)
- [解散 jiěsàn](https://mandarinthewild.com/meaning/jiesan)
- [扩大 kuòdà](https://mandarinthewild.com/meaning/kuoda)
- [扩建 kuòjiàn](https://mandarinthewild.com/meaning/kuojian)
- [扩展 kuòzhǎn](https://mandarinthewild.com/meaning/kuozhan)
- [扩张 kuòzhāng](https://mandarinthewild.com/meaning/kuozhang)
- [散步 sànbù](https://mandarinthewild.com/meaning/sanbu)
- [散发 sànfā](https://mandarinthewild.com/meaning/sanfa)
- [疏散 shūsàn](https://mandarinthewild.com/meaning/shusan)

## Keep 扩散 for Review

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