A form of idealism and delusion which leads to extravagant and absurd undertakings or sacrifices in obedience to a morbidly romantic ideal of duty or honor, as illustrated by the exploits of Don Quixote in knight-errantry.
quixotries
quixotries
noun
plural of quixotry
sesquioxide
sesquioxide
noun
(chemistry) Any oxide containing three oxygen atoms for every two atoms of another element.
squamosomaxillary
squaxon
sulfaquinoxaline
sulfaquinoxaline
noun
(pharmacology) A drug used in veterinary medicine to treat coccidiosis.