Answer: oleum

AnswerCrossword Clue
OLEUMPharmaceutical oil
OLEUMOil: Latin.
OLEUMOlive oil: Lat.
OLEUMOil in old Rome
OLEUMOily liquid
OLEUMFuming sulfuric acid
OLEUMOil for the lamps of Roma
OLEUMOil, to Ovid
OLEUMOil, pharmaceutically
OLEUMDruggist's oil
oleumoily, hygroscopic, corrosive liquid, H2S2O7, that, depending on purity, is colorless or dark brown: used chiefly as a dehydrating agent in the manufacture of explosives and as a sulfating or sulfonating agent in the manufa
oleumoil / a corrosive liquid
oleumheavy oily strongly corrosive solution of sulfur trioxide in anhydrous sulfuric acid
oleumoil