Acne Meaning of acne: A disorder of the skin in which oil glands and hair glands become inflamed. Also See: Autologous stem cell transplant AAT deficiency AD 32 Autologous bone marrow transplant Anti-TGF-beta monoclonal antibody GC1008 Electrolytes Acrylonitrile Ataxia-telangiectasia Vitamin B12 Absolute risk