Word.ws English Dictionary

plum pudding model

plum pudding model proper noun: an obsolete scientific model of the atom, devised shortly after the discovery of the electron but before the discovery of the atomic nucleus, and according to which the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges. It was disproved in 1909.

Proper noun

the plum pudding model

  1. (historical) An obsolete scientific model of the atom, devised shortly after the discovery of the electron but before the discovery of the atomic nucleus, and according to which the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges. It was disproved in 1909.

Origin of plum pudding model

The electrons are viewed as negatively-charged "plums" in a positively-charged "pudding".

Questions about plum pudding model

What does plum pudding model mean?
Plum pudding model means an obsolete scientific model of the atom, devised shortly after the discovery of the electron but before the discovery of the atomic nucleus, and according to which the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges. It was disproved in 1909.
What part of speech is plum pudding model?
Plum pudding model is a proper noun.

Words near plum pudding model in the dictionary

  1. plum pox virus
  2. plum pox viruses
  3. plum pudding
  4. plum pudding dog
  5. plum pudding dogs
  6. plum pudding model
  7. plum puddings
  8. plum rain
  9. plum rains
  10. plum sauce
  11. plum sauces

Source and license

Adapted from Wiktionary: plum pudding model (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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