If it is positive, then you may have a hepatitis B infection. This test may have to be repeated to confirm whether you have a chronic infection. 2. Hepatitis B surface Antibody (HBsAb or anti-HBs) - this tests for the surface antibody that your immune system makes to fight off the virus.
Rottenstone definition, a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals. See more. Dictionary.com
Rottenstone Meanings. a much-weathered limestone, rich in silica: used in powdered form for polishing metal; a siliceous limestone decomposed to a friable state, used for polishing metals; Rottenstone Simple Definition. a weathered and decomposed siliceous limestone; in powdered form it is used in polishing; More Info About Rottenstone Meaning