英语词源字典 - 在线词源网站

electrophoresis [electrophoresis 词源字典]: "The movement of charged particles in a fluid or gel under the influence of an electric field", Early 20th century: from electro- + Greek phorēsis 'being carried'.[electrophoresis etymology, electrophoresis origin, 英语词源]
ecologic: "= ecological", Late 19th cent.; earliest use found in Bulletin of the Torrey Botanical Club. From ecology + -ic; compare -logic. Compare French écologique.
echt: "Authentic and typical", German.
excursive: "Tending to deviate from a course or activity; digressive", Late 17th century: from Latin excurs- 'digressed, run out' (from the verb excurrere) + -ive, perhaps influenced by discursive.
elegiacal: "Of the nature of an elegy; melancholy, mournful", Late 15th cent.; earliest use found in John Skelton (c1460–1529), poet. From post-classical Latin elegiacus elegiac + -al.
epideictic: "Characterized by or designed to display rhetorical or oratorical skill", Late 18th century: from Greek epideiktikos (based on deiknunai 'to show').
eschar: "A dry, dark scab or falling away of dead skin, typically caused by a burn, an insect bite, or infection with anthrax", Late Middle English: from French eschare or late Latin eschara 'scar or scab', from Greek (see also scar).
estancia: "A cattle ranch in Latin America or the southern US", Mid 17th century: from Spanish, literally 'station', from medieval Latin stantia, based on Latin stare 'to stand'.
excreta: "Waste matter discharged from the body, especially faeces and urine", Mid 19th century: from Latin, 'things sifted out', neuter plural of excretus, past participle of excernere (see excrete).
ex abundante cautela: "By way of extreme caution; as an added precaution", Late 17th cent. From post-classical Latin ex abundante cautela by way of extreme caution from classical Latin ex + abundante, ablative singular of abundāns + cautēlā, ablative of cautēla.
edentate: "A mammal of an order distinguished by the lack of incisor and canine teeth, including the anteaters, sloths, and armadillos, all of which are native to Central and South America", Early 19th century: from Latin edentatus, past participle of edentare 'make toothless', from e- (variant of ex-) 'out' + dens, dent- 'tooth'.
exudate: "A mass of cells and fluid that has seeped out of blood vessels or an organ, especially in inflammation", Late 19th century: from Latin exsudat- 'exuded', from the verb exsudare.
embassage: "The business or message of an envoy", Late 15th century (denoting the action of sending an envoy): from Old French ambasse 'message or embassy' + -age.
extrasolar: "Found in or taking place outside the solar system", 1950s: from extra- + solar¹.
esse: "Essential nature or essence", Latin, 'to be' (used as a noun).
espial: "The action of watching or catching sight of something or someone", Late Middle English (in the sense 'spying'): from Old French espiaille, from espier 'espy'.
ericaceous: "Relating to or denoting plants of the heather family (Ericaceae)", Mid 19th century: from modern Latin Ericaceae (plural), from the genus name Erica (see erica).