Word.ws English Dictionary

penguin diagram

penguin diagram noun: a type of unicyclic Feynman diagram in which a quark temporarily changes flavor and engages in an interaction.

Noun

penguin diagram (plural penguin diagrams)

  1. A type of unicyclic Feynman diagram in which a quark temporarily changes flavor and engages in an interaction.

Forms of penguin diagram

pluralpenguin diagrams

Origin of penguin diagram

Coined by John Ellis in 1977, based on the shape of the diagram and inspired by a bet made with Melissa Franklin to put the word "penguin" in his next paper.

Questions about penguin diagram

What does penguin diagram mean?
Penguin diagram means a type of unicyclic Feynman diagram in which a quark temporarily changes flavor and engages in an interaction.
What part of speech is penguin diagram?
Penguin diagram is a noun.
What is the plural of penguin diagram?
The plural of penguin diagram is penguin diagrams.

Words near penguin diagram in the dictionary

  1. PEngs
  2. Pengshiba
  3. Pengshui
  4. Pengsiba
  5. penguin
  6. penguin diagram
  7. penguin diagrams
  8. penguin suit
  9. penguin suits
  10. penguin trainer
  11. penguin trainers

Source and license

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