Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{astronomy|meteorology}} The boundary between the thermosphere and the exosphere in a planetary atmosphere.Ngram: thermopauseNgram Text: thermopauseSource: WiktionaryIssue: 0Wiktionary tag: astronomyNgram Count: 1