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Definition of foamboard

foamboard

/ˈfoʊmˌbɔːrd/
foam · board
Plural:foamboards
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foamboard Lexical Profile

foamboard Game Scores & Validity

• noun

1

A lightweight, rigid sheet material consisting of a core of polystyrene or polyurethane foam laminated between two outer layers of paper, plastic, or clay-coated board, widely used for mounting prints, signage, and architectural modeling.

Example

"The architecture students constructed a scale model of the library out of white foamboard."

Synonyms
View all synonyms for foamboard

• Nearby Words

flywheel
foal
foam
foamboard
foamflower
foamlike
foamy

Cite this Entry

Wordmom. (2026). Definition of Foamboard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/foamboard
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