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benthograph

noun
ben·tho·graph | \ˈben-thə-ˌgraf\
plural -s

Definition of benthograph 

: an instrument consisting of a hollow steel sphere that contains cameras and lighting equipment and is designed for underwater photographic exploration at great depths

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History and Etymology for benthograph

benthos + -graph

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Dictionary Entries near benthograph

Benthamic

Benthamism

benthic

benthograph

benthon

benthonic

benthos

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