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Definitions

rex

[reks, reks] / rɛks, rɛks /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Other famous mosasaur fossils previously identified as T. proriger are now being reassigned to T. rex.

From Science Daily • May 23, 2026

Beyond its enormous size, researchers believe Tylosaurus rex was built for strength and aggression.

From Science Daily • May 23, 2026

Using this system, T. rex ranked as the most robust skull in the study.

From Science Daily • May 20, 2026

It lived between 100 and 120 million years ago - around 40 million years earlier than the tyrannosaurus rex - and is about twice the size of that creature.

From BBC • May 14, 2026

I do my signature Dinosaur Walk, where I stomp around like a T. rex with Penny in my arms, which always seems to relax her.

From "They Both Die at the End" by Adam Silvera




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