pahoehoe
nounUK /pəˈhəʊiˌhəʊi/
US /pəˈhoʊiˌhoʊi/
Pahoehoe is smooth, ropy lava that flows and cools into gentle, wavy shapes.
We walked carefully across the shiny pahoehoe that had cooled into smooth, rolling curves.
OTHER MEANINGS
2. A Hawaiian word describing lava with a billowy, undulating surface.
The guide explained that pahoehoe comes from Hawaiian and means 'smooth'.
3. A type of volcanic rock formed from fast-moving, low-viscosity lava.
Scientists collected samples of pahoehoe to study how quickly it had cooled.
4. Lava that can be walked on once it has hardened into a solid surface.
After the eruption, tourists hiked over the hardened pahoehoe near the crater.