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nautilus
noun
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How to pronounce nautilus:

Definition of nautilus:

nautilus (noun):
a submarine that is propelled by nuclear power.
any of a genus (nautilus) of cephalopod mollusks of the south pacific and indian oceans with a spiral chambered shell that is pearly on the inside

Synonyms for nautilus:

sub

Other 3-syllable words like nautilus

Here are some other common words that have 3 syllables, like nautilus does.

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