It built Hawaii (4)
I believe the answer is:
lava
(Other definitions for lava that I've seen before include "Molten volcanic material" , "Volcanic stream" , "Liquid rock" , "Immature insect form" , "Emanating magma" .)
I believe the answer is:
lava
(Other definitions for lava that I've seen before include "Molten volcanic material" , "Volcanic stream" , "Liquid rock" , "Immature insect form" , "Emanating magma" .)