P3O1L1Y4S1U1L1F4I1D2E1S1
21 points
POLYSULFIDES is validvalid
POLYSULFIDE, [n]
POLYSULFIDE, a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULPHIDE [n]
POLYSULFIDE, [n]
POLYSULFIDE, a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULPHIDE [n]