plural noun
Nec·​to·​nematoidea | \ ¦nektō+\

Definition of Nectonematoidea

: a cosmopolitan order (coextensive with a family Nectonematidae and genus Nectonema) of Nematomorpha comprising marine hairworms with a parasitic stage in various crustaceans, a double row of natatory bristles, and an expansive pseudocoel — compare gordioidea

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History and Etymology for Nectonematoidea

New Latin, from Nectonemat-, Nectonema (from nect- + -nema) + -oidea

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not constant or steady

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