hs From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences Definitionsadjective(of a biochemical assay) Abbreviation of high-sensitivity. Related wordsSynonymsspmegraddiplomajhscchsecondary schoolsenior high schoolupper schoolsenior highupper secondary schoolcomprehensive schoolpreparatory schoolprep schoolacademypublic schoolgrammar school References Wiktionary — hs Wikipedia — hs