Word.ws English Dictionary

PNN

PNN is the abbreviation of planetary nebula nucleus.

Noun

PNN (plural PNNs)

  1. The gene that encodes for the pinin protein
  2. pinin, the PNN protein, encoded by the PNN gene

Meaning of planetary nebula nucleus

Noun

planetary nebula nucleus (plural planetary nebula nuclei)

  1. The remnant hot luminous core of the stellar progenitor of the planetary nebula, which ionizes the surrounding planetary nebula.
    Synonyms:
    PNN

Forms of PNN

pluralPNNs
pluralPNNe
pluralPNNi

Questions about PNN

What does PNN mean?
PNN means the gene that encodes for the pinin protein.
What is PNN the abbreviation of?
PNN is the abbreviation of planetary nebula nucleus.
What part of speech is PNN?
PNN is a noun.
What is the plural of PNN?
The plural of PNN is PNNs.

Words near PNN in the dictionary

  1. PNK
  2. PNL
  3. PNLs
  4. PNM
  5. PNMs
  6. PNN
  7. PNOC
  8. PNoy
  9. PNP
  10. PNPase
  11. PNPases

Source and license

Adapted from Wiktionary: PNN (page history and authors); planetary nebula nucleus (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:

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