Pro·​to·​siphon | \"+\

Definition of Protosiphon 

: a genus (the type of the family Protosiphonaceae) of unicellular multinucleate freshwater green algae consisting of a single form (P. botryoides) that is broadly tubular or more or less balloon-shaped and grows often confusingly mingled with Botrydium attached to mud by a single rarely branching rhizoid

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Other Words from Protosiphon

protosiphonaceous \ "+ \ adjective

History and Etymology for Protosiphon

New Latin, from prot- + Greek siphōn siphon, tube, pipe

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