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ich·thy·o·saur
 ichthyosaur
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- pronunciation:
- Ik
thi
sor
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition: |
any of an extinct variety of marine reptiles that had four flippers, a dolphinlike head, and a vertical caudal fin, and that ranged in length from four to forty feet.
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| derivations: |
ichthyosaurian (adj.), ichthyosaurian (n.) |
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