black oxide en · NOUN
Meanings
-
(countable, idiomatic, uncountable) Any of several coatings for steels or copper; some are oxides (mainly iron(II,III) oxide), some are nitrites or nitrates, and some are selenides; all are black; the main purposes are the antireflective and cosmetic effects; the anticorrosion effects are small.
hot black oxide
Near-synonym: blackening
cold black oxide
- (countable, uncountable) Used other than figuratively or idiomatically: any oxide that is black; often, iron(II,III) oxide.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| black oxides | Number=Plur | lexicographic |
Coordinates
electroplating · galvanizing · bluing · phosphating · plating · browning · passivation
Hypernyms
coating · oxide · finish · material · material · compound · substance · substance