Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: NounDescription: {{geology}} The solid material thrown into the air by a volcanic eruption that settles on the surrounding areasNgram: tephraNgram Text: tephraSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1
