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speleologist [speleologists]▼◼◼◼(person who studies caves)noun[UK: ˌspiː.lɪ.ˈɒ.lə.dʒɪst] [US: ˌspiː.lɪ.ˈɒ.lə.dʒɪst]
spelunker [spelunkers]▼◼◼◻(one who explores caves)noun[UK: spˈelʌŋkə] [US: spˈelʌŋkɚ]
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