Word.ws English Dictionary

protostomian

protostomian adjective: of or pertaining to the protostomes.

Adjective

protostomian (not comparable)

  1. Of or pertaining to the protostomes

Noun

protostomian (plural protostomians)

  1. A protostome

Forms of protostomian

pluralprotostomians

Origin of protostomian

From protostome + -ian.

Questions about protostomian

What does protostomian mean?
Protostomian means of or pertaining to the protostomes.
What part of speech is protostomian?
Protostomian can be an adjective or a noun.

Words near protostomian in the dictionary

  1. protostomal
  2. protostomata
  3. protostomatous
  4. protostome
  5. protostomes
  6. protostomian
  7. protostomians
  8. protostomic
  9. protostomous
  10. protostring
  11. protostrings

Source and license

Adapted from Wiktionary: protostomian (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “protostomian.” Word.ws, https://word.ws/protostomian. Based on Wiktionary, CC BY-SA 4.0.