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Definition of albertosaurus
albertosaurus
/ælˌbɜːr.toʊˈsɔːr.əs/
al · ber · to · sau · rus
Plural:albertosauruses
albertosaurus Lexical Profile
CEFR
C1
Grade
7
Tier
3
Usage
Rare
albertosaurus Game Scores & Validity
Scrabble US
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WWF
Wordle Guess
• noun
1
North American A genus of large, bipedal tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous period, known for its massive skull, short forelimbs, and slightly smaller, more slender build compared to the Tyrannosaurus rex.
Example
"Paleontologists recently excavated an exceptionally well-preserved skull of an Albertosaurus from the Badlands of western Canada."
Synonyms
View all synonyms for albertosaurus• Rhymes for albertosaurus
Word Origin & Etymology
Coined in 1905 by American paleontologist Henry Fairfield Osborn, named after the Canadian province of Alberta where the first fossils were found, combined with the Greek 'sauros', meaning lizard.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Albertosaurus. In Wordmom Dictionary. Retrieved Oct 11, 2026, from https://wordmom.com/dictionary/albertosaurus