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benthoscope

noun
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ben·​tho·​scope | \ ˈben-thə-ˌskōp \
plural -s

Definition of benthoscope

: a deep-sea diving instrument consisting of a hollow steel sphere capable of carrying an observer to depths of several thousand feet

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History and Etymology for benthoscope

benthos + -scope

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“Benthoscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/benthoscope. Accessed 10 Apr. 2021.

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