gall-nut ink

English dictionary entry

Meanings

noun
  1. acid blue-to-black ink, blue or purple when fresh, but turning intense black from iron oxidation, containing iron ions and tannic acids obtained from crushed gall-nuts and a solution of gum, or glue, and copperas, slowly replaced carbon ink and used from late antiquity to 20th century

Word forms

gall-nut ink gall-nut inks

Synonyms

gall nut ink gallnut ink iron-gall ink iron gall ink oak-gall ink oak gall ink standard ink common ink
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