Pre-eruption lava (5)
I believe the answer is:
magma
(Other definitions for magma that I've seen before include "hot filling in crust" , "Lava" , "hot stuff" , "That's hot!" , "Semi-fluid material within the earth's crust" .)
I believe the answer is:
magma
(Other definitions for magma that I've seen before include "hot filling in crust" , "Lava" , "hot stuff" , "That's hot!" , "Semi-fluid material within the earth's crust" .)