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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - One of the coiled chambered fossil shells of extinct mollusks.

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Usage examples (5)
  • - Models of the ammonoid from Mysterious Island and the Hydra from Jason and the Argonauts
  • They show, in a large vertical / layered series of formations, how an ammonoid (a shelled creature similar to our chambered Nautilus of today) evolved over millions of...
  • Given that the current estimate of the total number of species on the planet is about 2 million, this rate, by the end of the next century, will be equivalent in biological...
  • The magazine said the Chanel couture dress "makes her look like she's encrusted with ammonoid fossils.
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