# Sinosphere

> English word · Proper noun

## Definitions
1. The area of East and Southeast Asia considered greatly influenced by Han Chinese culture.

## Etymology
From Sino- + -sphere, coined by James Matisoff along with Indosphere in his 1990 article "On Megalocomparison".

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sinosphere