elephant toothpaste

A form of elephant's toothpaste — A foamy substance caused by the rapid decomposition of hydrogen peroxide using potassium iodide as a catalyst; the outcome of a popular educational experiment in chemistry.

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Meanings

nounelephant toothpaste (uncountable)
  1. alternativeuncountableAlternative form of elephant's toothpaste.
Cite this entry
APA

elephant toothpaste. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/elephant%20toothpaste

MLA

“elephant toothpaste.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/elephant%20toothpaste. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “elephant toothpaste,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/elephant%20toothpaste.

Source: elephant toothpaste on Wiktionary, CC BY-SA 4.0.