crepidaA type of footwear consisting of a sole attached to the foot with fairly elaborate straps, distinguished by the Ancient Greeks and Ancient Romans from sandals proper but now usually considered a style of sandal.
diabetes insipidusA disease characterized by excretion of large amounts of severely diluted urine, which cannot be reduced when fluid intake is reduced.
directrixA line used to define a curve or surface; especially a line, the distance from which a point on a conic has a constant ratio to that from the focus.
excurseA fuller discussion (usually in a separate section at the end of a chapter or book) of a particular part of the text of a work, especially a Bible commentary or classical Greek or Latin text.
exemplativeServing as or providing a typical example.
ex nihilo nihil fitNothing comes from nothing; out of nothing, nothing is produced.
Exon DomesdayThe initial detailed summary of the Domesday survey returns from the Domesday circuit of Cornwall, Devon, Dorset, Somerset and Wiltshire, which was used to compile the parts of the Great Domesday Book relating to those counties.
ex rerum naturaFrom the nature of things; from the nature of the case; from nature; applied to arguments based on observation or experiment, as opposed to pure reason.
FloraliaAn ancient Roman festival in honor of the goddess Flora, held on April 27 during the Republican era, or April 28 in the Julian calendar.
formatorA symbol that indicates a relationship between designators.
Free City of Tri-InsulaA proposed city-state comprising Long Island, Manhattan, and Staten Island, put forward on January 6th, 1861, by the mayor of New York City, Fernando Wood, shortly before the beginning of the American Civil War.
fumus boni iurisA likelihood of success based on the merit of a case; a requirement for admission to certain benefits, such as legal aid and injunctions.