| NOM | substance | toba, tova volcanica | hard volcanic rock composed of compacted volcanic ash |
|---|
| Sentit | Hard volcanic rock composed of compacted volcanic ash. | |
|---|---|---|
| Sinònim | tova volcanica | |
| General | roca volcànica | extrusive igneous rock solidified near or on the surface of the Earth |
| Anglès | tuff, tufa | |
| Espanyol | toba, toba volcánica | |
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