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Webster 1913 Edition

Noun.

[

Sant

alum + piperon

(Chem.)

A colorless crystalline substance, isomeric with piperonal, but having weak acid properties. It is extracted from sandalwood.

See also: santal

Santal ‎(plural Santals or Santal)

See also: Santal

santal ‎(uncountable)

(organic chemistry) A colourless crystalline substance, isomeric with piperonal, but having weak acid properties. It is extracted from sandalwood.

santal m ‎(plural santaux)