: a large genus (the type of the family Biddulphiaceae) of rectangular diatoms having winglike or hornlike projections at the corners of the valves and being locally abundant in the marine plankton

Word History


New Latin, probably from German Biddulph, 19th century English botanist + New Latin -ia

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Dictionary Entries Near Biddulphia

Cite this Entry

“Biddulphia.” Dictionary, Merriam-Webster, Accessed 1 Mar. 2024.

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