Wikipedia
Greenboard
Greenboard may refer to
- a green-colored blackboard
- green colored drywall (in contrast to normal drywall suitable for damp places like kitchen or bathroom)
Usage examples of "greenboard".
They walked away from the house site, picking their way through piles of construction materials, some of which, like greenboard, polyester insulation, and composite board, had never before been seen on this world.
He gave no larger financial grants for school-garden contests, but he increased fourfold the number of letters of advice sent out monthly to rural educators: advice on whether blackboards should be greenboards or blueboards, advice on reading poetry, advice on the established code for school janitors.