Soapnut

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The drupe of Sapindus plants, containing saponins, which are a natural surfactant.

    "Soapnuts are the dried fruit of a tree called Sapindus mukorossi (Chinese Soapberry) and contain saponin, a natural surfactant that foams just like soap."

Synonyms

All synonyms
soapberrysoapberry

Example

More examples

"Soapnuts are the dried fruit of a tree called Sapindus mukorossi (Chinese Soapberry) and contain saponin, a natural surfactant that foams just like soap."

Etymology

From soap + nut.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.