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ectognathous

adjective
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ec·​tog·​na·​thous | \ (ˈ)ek¦tägnəthəs \

Definition of ectognathous

: having the mouthparts exserted sometimes : thysanuran — compare entognathous

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History and Etymology for ectognathous

ect- + -gnathous

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“Ectognathous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ectognathous. Accessed 26 Feb. 2021.

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