Question

what does T means in T-rex?

Answer 1

Tiranosour is the meaning of T in T-REX

Answer 2

Here is your answer...
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T-rex means "Tyrannosaurus rex".
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➡ It was a bipedal carnivore with a massive skull balanced by a long, heavy tail.

➡ Tyrannosaurus rex means king of the dinosaurs.

➡ T-rex's had over 60 thick, conical, bone-crunching teeth that were up to 9 inches long.

➡ Its jaws were up to 4 feet long.