Word.ws English Dictionary

protosome

protosome noun: the proboscis of hemichordate animals.

protosome: the proboscis of hemichordate animals
Image: CC BY-SA 3.0, via Wikimedia Commons

Noun

protosome (plural protosomes)

  1. The proboscis of hemichordate animals.

Forms of protosome

pluralprotosomes

Origin of protosome

From proto- + -some.

Words formed from protosome

Questions about protosome

What does protosome mean?
Protosome means the proboscis of hemichordate animals.
What part of speech is protosome?
Protosome is a noun.
What is the plural of protosome?
The plural of protosome is protosomes.

Words near protosome in the dictionary

  1. protosociological
  2. protosolar
  3. protosolvent
  4. protosolvents
  5. protosomal
  6. protosome
  7. protosomes
  8. protosomite
  9. protosomites
  10. protospacer
  11. protospacers

Source and license

Adapted from Wiktionary: protosome (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: “protosome.” Word.ws, https://word.ws/protosome. Based on Wiktionary, CC BY-SA 4.0.