# Triassic

> English word · Adjective · IPA /tɹaɪˈæs.ɪk/ · frequency rank #37,742

## Definitions
1. Of or from the geologic strata above the Permian and below the Jurassic; of or belonging to the period 250 to 200 million years ago when these strata were laid down.

## Etymology
From Trias (“three-layered geologic strata between the Permian and Jurassic”) < German Trias < Ancient Greek τριάς (triás, “triad”), + -ic. Coined in 1841 by geologist Friedrich August von Alberti (1795–1878).

## Common misspellings (10)
`rtiassic`, `tirassic`, `traissic`, `triasic`, `triasisc`, `triassci`, `triassicc`, `trisasic`, `trriassic`, `ttriassic`

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