| Answer | Crossword Clue |
|---|---|
| pahoehoe | basaltic lava having a smooth or billowy surface |
| aas | basaltic lava having a rough surface |
| aa | basaltic lava having a rough surface |
| softest | Having a smooth surface or texture that is pleasant to touch; not rough or coarse |
| ganoid | (of the scale of a fish) having a smooth, shiny surface of ganoin or a similar substance |
| ganoids | (of the scale of a fish) having a smooth, shiny surface of ganoin or a similar substance |
