# global dimming

> English word · Noun

## Definitions
1. A worldwide decline, during the last few decades, of the intensity of the sunlight reaching the Earth's surface, caused by particulate air pollution.

## Etymology
From global + dimming, modelled on global warming.

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