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subthoracic

adjective
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sub·​thoracic | \ "+ \

Definition of subthoracic

of the ventral fins of some fishes
: situated not quite far enough forward to be thoracic

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History and Etymology for subthoracic

International Scientific Vocabulary sub- + thoracic

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“Subthoracic.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/subthoracic. Accessed 23 January 2020.

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