Word.ws English Dictionary

ptilo-

UK/(p)tɪləʊ/

ptilo- prefix: down, feather; also, more loosely, downy, feathery, penniform, plumiform.

Prefix

ptilo-

  1. down, feather; also, more loosely, downy, feathery, penniform, plumiform
    • ptilogenesis, ptilolite, ptilopaedic

Origin of ptilo-

Representing the Ancient Greek πτῐ́λον (ptĭ́lon, “feather”, “down”). Compare the English -ptile, the French ptil-, and the New Latin ptilo-.

Questions about ptilo-

What does ptilo- mean?
Ptilo- means down, feather; also, more loosely, downy, feathery, penniform, plumiform.
What part of speech is ptilo-?
Ptilo- is a prefix.
How do you pronounce ptilo-?
Ptilo- is pronounced /(p)tɪləʊ/ (UK).

Words near ptilo- in the dictionary

  1. ptiliid
  2. ptiliids
  3. ptilina
  4. ptilinal
  5. ptilinum
  6. ptilo-
  7. ptilocerque
  8. ptilochronological
  9. ptilochronology
  10. ptilodontid
  11. ptilodontids

Source and license

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