Submitted by György Chityil ... on Sat, 01/20/2018 - 00:57 Hierarchy: AdjectiveDescription: {{topology}} Such that its topology has a countable base, said of a topological space.Ngram: second-countableNgram Text: second-countableSource: WiktionaryIssue: 0Wiktionary tag: topologyNgram Count: 1