A massive meat-eating dinosaur from the Cretaceous period known for its huge teeth, small arms, and powerful hind legs.
From Greek 'tyrannis' (tyrant, ruler) and 'sauros' (lizard), literally meaning 'tyrant lizard.' The name reflects this dinosaur's position as a top predator millions of years ago.
Scientists initially thought T-rex had tiny arms because they were hidden by its massive body, but those 'weak' arms could actually lift a car—the name 'tyrant lizard' perfectly captures how we've misunderstood this creature over time.
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