black copper
Schwarzkupfer
A mineral form of cupric oxideA mineral form of cupric oxide
Meaning
2 senses(uncountable)A mineral form of cupric oxide
Schwarzkupfer
(uncountable)Copper with iron and sulfur impurities due to insufficient smelting.
Translations
1 languagesDeutsch
By meaning 1
cupric oxide:
Synonyms
1 synonymsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable