Pronunciation: /ðə ˈtraɪˈæsɪk/
noun a period of geological time that occurred approximately 251 to 199 million years ago, known for the first appearance of dinosaurs and the breakup of the supercontinent Pangaea
A1 The Triassic period was a time when dinosaurs first appeared on Earth.
A2 Scientists believe that the Triassic era lasted for about 50 million years.
B1 During the Triassic period, the supercontinent Pangaea began to break apart.
B2 The Triassic era is known for the diversification of reptiles and the rise of the first mammals.
C1 Geologists study the rock formations from the Triassic to understand ancient climates and ecosystems.
C2 The Triassic period is a crucial time in Earth's history, marking significant evolutionary developments.
formal The Triassic period occurred between 251 million and 201 million years ago.
informal Hey, did you know dinosaurs first appeared in the Triassic period?
slang The Triassic was when all the cool dinosaurs started popping up.
figurative Exploring the Triassic period is like taking a journey back in time to when dinosaurs roamed the Earth.
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