Word.ws English Dictionary

protogen

protogen noun: a fictional anthropomorphic (furry) cyborg with a robotic chest and thighs, and a visor screen upon which the creature's face is displayed. Also the clipping of protoporphyrinogen.

protogen: a fictional anthropomorphic (furry) cyborg with a robotic chest and thighs, and a visor screen upon...
Image: Mecanautes, CC BY-SA 4.0, via Wikimedia Commons

Noun

protogen (plural protogens or protogen)

  1. (slang) A fictional anthropomorphic (furry) cyborg with a robotic chest and thighs, and a visor screen upon which the creature's face is displayed.
    • JUMPING ON THE PROTOGEN BANDWAGON!!!! now I just need a name for this lil guy! if someone comes…2017 April 9, @Scott_NoName, Twitter
    • *pulls in the protogen to wrap up in his wings*
      Do protos make cute little beeps when hugged? :D2018 August 25, @TheGreidyDragon, Twitter
    Synonyms:
    proto, proot, toaster

Also used as

protogen is also the clipping of protoporphyrinogen.

Examples of protogen in a sentence

  • If you don't know what a protogen is do yourself a favor and look up some pictures of them right now—they're a really cool fusion of cute/fuzzy critter and technology!2023, Camielle Adams, Courtney N. Plante, Kathleen C. Gerbasi, Sharon E. Roberts, Stephen Reysen, editor, Furscience: A Decade of...
  • When it comes to furry avatars, the Protogen^([sic]) genre of avatars are by far the most popular… and with good reason too.2024 April 20, Daniel V., “[Top 14] VRChat Best Avatars”, in Gamers Decide:

Synonyms of protogen

Forms of protogen

pluralprotogens
pluralprotogen

Origin of protogen

From proto- (“an early, primitive stage of development”) + primagen (“a furry cyborg character with a raptor-like body and fully robotic legs”). Coined by Fur Affinity user Cedar "Malice-risu" Andrews in April 2017 as an open-source fursona species (an open species), in contrast to her copyrighted, more mechanical primagen species; in fiction, protogen are canonically the predecessor species to primagen, hence the name.

Shortening.

Questions about protogen

What does protogen mean?
Protogen means a fictional anthropomorphic (furry) cyborg with a robotic chest and thighs, and a visor screen upon which the creature's face is displayed.
How do you use protogen in a sentence?
If you don't know what a protogen is do yourself a favor and look up some pictures of them right now—they're a really cool fusion of cute/fuzzy critter and technology!
What part of speech is protogen?
Protogen is a noun.
What is the plural of protogen?
The plural of protogen is protogens.

Words near protogen in the dictionary

  1. protoforms
  2. protogalactic
  3. protogalaxies
  4. protogalaxy
  5. protogastric
  6. protogen
  7. protogenal
  8. protogeneous
  9. protogenesis
  10. protogenetic
  11. protogenic

Source and license

Adapted from Wiktionary: protogen (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-protogen.wav.

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