quetiapine /kwɪˈtaɪ.əˌpin/ noun1 •An antipsychotic drug taken orally in the form of its fumarate (C₂₁H₂₅N₃O₂S)₂·C₄H₄O₄ especially to treat schizophrenia and bipolar disorder. It is marketed under the trademark Seroquel.
