Contents

EnglishEdit

Wikipedia has an article on:

Wikipedia

EtymologyEdit

You can help Wiktionary by providing a proper etymology.

NounEdit

copperas ‎(usually uncountable, plural copperases)

  1. iron(II) sulfate.
    • 1843, Thomas Carlyle, Past and Present, book 2, ch. 6, Monk Samson
      […] what a change has introduced itself everywhere into human affairs! How human affairs shall now circulate everywhere not healthy life-blood in them, but, as it were, a detestable copperas banker’s ink;

TranslationsEdit

Read in another language