black oxide

名词 n.
中文释义

英文释义

名词 n.
  1. 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. countable,idiomatic,uncountable
    — Near-synonym: blackening
  2. Used other than figuratively or idiomatically: any oxide that is black; often, iron(II,III) oxide. countable,uncountable

词形变化

black oxides plural
0 次浏览 数据来源: Wiktionary