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étude a musical composition featuring a particular technique, or intended mainly for practice in that technique.
etymology an account of the origin and development of a word and its meanings. [2 definitions]
Eu symbol of the chemical element europium.
EU abbreviation of "European Union," an economic and political union of twenty-seven democratic countries formed from the European Economic Community in 1993. The union currently consists of the member states Austria, Belgium, Bulgaria, the Czech Republic, Cyprus, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, and the United Kingdom.
eu- well; good; easily.
Euanthes in Greek mythology, son of Ariadne and Dionysus.
eucalyptol an essential oil derived from eucalyptus leaves and used in perfumes, medicines, and the like; cineole.
eucalyptus any of various tall evergreen trees native to Australia, having leaves that yield a pungent oil used in medicines.
eucalyptus oil an essential oil obtained from eucalyptus leaves, used as an expectorant and antiseptic.
Eucharist the Christian sacrament of Holy Communion. [2 definitions]
euchre a card game for two to four people, using the highest thirty-two cards in the deck. [3 definitions]
Euclid a Greek mathematician and teacher (third century B.C.).
Euclidean of or concerning Euclid or his work, or based on his postulates.
eugenia any of several tropical shrubs and evergreen trees of the myrtle family that bear colorful and often edible fruit resembling cherries.
eugenic causing the production, over generations, of improved offspring. [2 definitions]
eugenicist an advocate of, or specialist in, eugenics.
eugenics (used with a sing. verb) the study of or belief in the genetic improvement of the human race through control of breeding.
euglena any of various freshwater flagellates of the genus Euglena, characterized by a single flagellum, light-sensitive eyespot, and usually bright green coloring.
eukaryote an organism composed of a cell or cells that contain a membrane-bound nucleus. (Cf. prokaryote.)
eulogistic praising highly; laudatory.
eulogize to speak or write high praise of; write or deliver a eulogy about.