hadrosaur
pronunciation
How to pronounce hadrosaur in British English:
UK ['hædrəsɔ:(r)]
How to pronounce hadrosaur in American English:
US ['hædrəsɔr]
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- Noun:
- any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
Word Origin
- hadrosaur (n.)
- 1865, from Modern Latin hadrosaurus (1859), from Greek hadros "thick, stout" (see hadron) + -saurus.
Example
- 1. The researchers say the scratches reveal that the movements of hadrosaur teeth were complex and involved up and down , sideways and front-to-back motion .
- 2. Although its name identifies it as a small duckbill , it is based on juvenile remains , and the size of the adult hadrosaur is unknown .
- 3. So far , they have determined that the hadrosaur 's hindquarters are 25 percent larger than previously thought for the species , meaning that it could run up to 28 mph -- faster than previously estimated .
- 4. While the scratches told the scientists how the animal may have chewed , the lack of pit marks on the teeth suggested what the hadrosaur was eating .