C3A1U1S1T1I1C3
11 points
CAUSTIC is validvalid
a corrosive substance [n CAUSTICS]
burning, also CAUSTICAL [adj CAUSTICALLY] / a caustic substance [n -S]
a corrosive substance [n CAUSTICS]
burning, also CAUSTICAL [adj CAUSTICALLY] / a caustic substance [n -S]