Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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adj
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.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
name
A geologic period within the Mesozoic era, comprising lower, middle and upper epochs from about 250 to 200 million years ago.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adjective
of or relating to or denoting the first period of the Mesozoic era
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Triassic period
Antonyms: none provided
Broader terms: period, geological period
History
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).
Across languages
28 source translations are retained for this English entry.
