geofoam
Noun
Meaning
geofoam (countable and uncountable, plural geofoams)
Expanded or extruded polystyrene manufactured into large lightweight blocks used to fill the void below a built structure.
Noun
geofoam (countable and uncountable, plural geofoams)
Expanded or extruded polystyrene manufactured into large lightweight blocks used to fill the void below a built structure.