potassa

noun

potassa

noun

Etymology Borrowed from Dutch potasch (“potash”). Doublet of potash.

1

Obsolete The chemical compound potassium hydroxide.

Liebich […] has investigated the action of potassa upon tannocaffeic acid.1852, Justus von Liebig, Annual Report of the Progress of Chemistry and the Allied Sciences, page 221:

Synonyms: caustic potash, potash lye
Derived terms: potassium

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.