# ChE

/ˈtʃeɪ/ (US)

Source: https://englishreference.com/word/che
Updated: 2026-08-15

## Senses

### 1. geological event

noun · CEFR C2 · Technical · Academic

Stands for Carnian Humid Episode. It was a time millions of years ago when the Earth's climate became very rainy.

For teachers: Abbreviation for Carnian Humid Episode. A significant global climate change event during the Late Triassic characterized by increased rainfall and biotic turnover.

- Scientists study the ChE to understand how ancient plants reacted to sudden global warming.
- The stratigraphic record of the ChE reveals a major disruption in the carbon cycle, coinciding with the diversification of early dinosaurs.

Usage: Usually used with the definite article 'the'.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.
