sheet rock
See also:
sheetrock
and
Sheetrock
English
Etymology
Originally a trade name.
Noun
sheet
rock
(
uncountable
)
(
construction
)
Prehardened
plaster of Paris
(
gypsum
) sold in large panels and used as a
wall
surface
in building
construction
.
Synonyms:
drywall
,
wall board