| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Expanded polystyrene | Energy | A type of insulation that is molded or expanded to produce coarse, closed cells containing air. The rigid cellular structure provides thermal and acoustical insulation, strength with low weight, and coverage with few heat loss paths. Often used to insulate the interior of masonry basement walls. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
