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Triassic

Triassic
AdjectiveNoun

This term is a proper adjective and noun derived from the Latin word for three, referring to the three periods of the Mesozoic era. It is almost exclusively used in geological, paleontological, and academic contexts to describe a specific window of Earth's history.

As a noun, it refers to the epoch itself and is treated as a proper name. It does not have a plural form because it describes a unique, singular period of time. When used as an adjective, it typically modifies nouns like period, strata, or fossils to specify their chronological origin.

Meanings

AdjectiveTriassic

Relating to the first period of the Mesozoic era, spanning from approximately 252 to 201 million years ago.

The Triassic period saw the emergence of the first dinosaurs.

NounTriassic

The first period of the Mesozoic era, characterized by the formation of the supercontinent Pangaea and the early evolution of dinosaurs and mammals.

Many fossils from the Triassic are found in the deserts of the American Southwest.

Examples

The museum has a great exhibit on Triassic reptiles.

The museum has a great exhibit on Triassic reptiles.

Trivia

Look at these Triassic rock layers.

Look at these Triassic rock layers.

School Life

Pangaea was the dominant landmass during the Triassic.

History

I wonder if there were any mammals in the early Triassic.

I wonder if there were any mammals in the early Triassic.

The climate was generally hot and dry throughout the Triassic.

History

We are studying Triassic sedimentation in this course.

We are studying Triassic sedimentation in this course.

School Life

These fossils date back to the Late Triassic.

These fossils date back to the Late Triassic.

Trivia

The transition from the Permian to the Triassic was marked by a mass extinction.

History

Is this specimen from the Triassic or the Jurassic?

Trivia

Related Words

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