HWSS

AcronymDefinition
HWSSHoof Wall Separation Syndrome (horses)
HWSSHeavyweight Spaceship (gaming)
HWSSHelpless When She Smiles (Backstreeet Boys song)
HWSSHot Water Supply Systems (renewable energy; Somerset, UK)
HWSSHigh Wall Shear Stress
HWSSHazardous Waste and Superfund Staff (EPA)
HWSSMinistry of Health, Welfare and Social Security (Greece)
HWSSHarwell Wilson Surgical Society (Memphis, TN)