M3A1T1R1A1S1S1
9 points
MATRASS is validvalid
a long-necked glass vessel [n MATRASSES]
a long-necked round-bodied chemical flask, used for distilling, also MATTRASS [n -ES]
a long-necked glass vessel [n MATRASSES]
a long-necked round-bodied chemical flask, used for distilling, also MATTRASS [n -ES]