geofoam

G2E1O1F4O1A1M3

noun

Expanded or extruded polystyrene manufactured into large lightweight blocks used to fill the void below a built structure.

Scrabble 13
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noungeofoam (countable and uncountable, plural geofoams)

plural geofoams

  1. countableuncountableExpanded or extruded polystyrene manufactured into large lightweight blocks used to fill the void below a built structure.

Origin

From geo- + foam.

Full word history & related roots →
Cite this entry
APA

geofoam. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/geofoam

MLA

“geofoam.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/geofoam. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “geofoam,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/geofoam.

Source: geofoam on Wiktionary, CC BY-SA 4.0.