[1] : WordNet (r) 2.0

caustic remark
     n : witty language used to convey insults or scorn; "he used
         sarcasm to upset his opponent"; "irony is wasted on the
         stupid"; "satire is a sort of glass, wherein beholders do
         generally discover everybody's face but their
         own"--johathan swift syn: sarcasm, irony, satire
see also:
sarcasm irony satire 

Remark >> R Words
Remark, definition of term: Remark
remark_pag1.html

Caustic >> C Words
Caustic, definition of term: Caustic
caustic_pag1.html

Caustic Soda >> C Words
Caustic Soda, definition of term: Caustic Soda
caustic+soda_pag1.html

Caustic Potash >> C Words
Caustic Potash, definition of term: Caustic Potash
caustic+potash_pag1.html

Lunar Caustic >> L Words
Lunar Caustic, definition of term: Lunar Caustic
lunar+caustic_pag1.html