Submitted by György Chityil ... on Fri, 01/19/2018 - 16:36 Hierarchy: NounDescription: {{countable|geometry}} a point of a conic at which rays reflected from a curve or surface converge.Ngram: focusNgram Text: focusSource: WiktionaryIssue: 0Wiktionary tag: geometryNgram Count: 1Wikokit WikiText ID: 642854