We found 22 dictionaries that define the word tephra:

General (13 matching dictionaries)

1. tephra: Merriam-Webster
2. tephra: Oxford Learner's Dictionaries
3. tephra: American Heritage Dictionary of the English Language
4. tephra: Collins English Dictionary
5. tephra: Wordnik
6. tephra: Wiktionary
7. tephra: Webster's New World College Dictionary, 4th Ed.
8. tephra: The Wordsmyth English Dictionary-Thesaurus
9. tephra: Infoplease Dictionary
10. tephra: Dictionary.com
11. Tephra: Wikipedia, the Free Encyclopedia
12. tephra: The Phrontistery - A Dictionary of Obscure Words
13. tephra: TheFreeDictionary.com

Business (1 matching dictionary)

14. tephra: Financial dictionary

Computing (1 matching dictionary)

15. tephra: Encyclopedia

Miscellaneous (1 matching dictionary)

16. tephra: Wordcraft Dictionary

Science (4 matching dictionaries)

17. Archaeology Wordsmith (No longer online)
18. Illustrated Glossary of Geologic Terms (No longer online)
19. tephra: Dictionary of Geology
20. Anthropology dictionary (No longer online)

Slang (1 matching dictionary)

21. tephra: Urban Dictionary

Tech (1 matching dictionary)

22. Lake and Water Word Glossary (No longer online)

Definitions from Wiktionary (tephra) ▸ noun:  (geology) The solid material thrown into the air by a volcanic eruption that settles on the surrounding areas. Similar: tephrite, volcanic ash, tephroid, tephrocorrelation, cryptotephra, nuée ardente, pyroclastic rock, tephroite, scoria, eutaxite, more... Adjectives: volcanic, fine, basaltic, late, grained, rhyolitic, lower, upper, coarse, black, deep ▸ Words similar to tephra ▸ Usage examples for tephra ▸ Idioms related to tephra ▸ Wikipedia articles (New!) ▸ Popular adjectives describing tephra ▸ Words that often appear near tephra ▸ Rhymes of tephra ▸ Invented words related to tephra