Submitted by György Chityil ... on Fri, 01/19/2018 - 20:57 Hierarchy: NounDescription: {{context|now|_|only|_|in plural}} The branch of optics dealing with reflection.Ngram: catoptricNgram Text: catoptricSource: WiktionaryIssue: 0Wiktionary tag: nowonlyNgram Count: 1
