Word.ws English Dictionary

orexin

orexin noun: either of two neuropeptide hormones found in vertebrates; the two are orexin-A and orexin-B.

Noun

orexin (plural orexins)

  1. Either of two neuropeptide hormones found in vertebrates; the two are orexin-A and orexin-B.
    Synonyms:
    hypocretin

Synonyms of orexin

Forms of orexin

pluralorexins

Origin of orexin

From Ancient Greek ὄρεξις (órexis, “appetite”) + -in.

Words formed from orexin

Questions about orexin

What does orexin mean?
Orexin means either of two neuropeptide hormones found in vertebrates; the two are orexin-A and orexin-B.
What part of speech is orexin?
Orexin is a noun.
What is the plural of orexin?
The plural of orexin is orexins.

Words near orexin in the dictionary

  1. orexes
  2. orexigen
  3. orexigenic
  4. orexigenics
  5. orexigens
  6. orexin
  7. orexinergic
  8. orexins
  9. orexis
  10. orexogenic
  11. orf

Source and license

Adapted from Wiktionary: orexin (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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