英语词源字典 - 在线词源网站

acephalia [acephalia 词源字典]: "Absence of a head, especially as a congenital malformation", Late 16th cent.; earliest use found in Richard Harvey (d. 1630), astrologer and polemicist. From classical Latin acephalus, in post-classical Latin sense ‘headless’ + -ia. In medical use after French acéphalie or scientific Latin acephalia.[acephalia etymology, acephalia origin, 英语词源]
avifauna: "The birds of a particular region, habitat, or geological period", Late 19th century: from Latin avis 'bird' + fauna.
agalactous: "= agalactic", Mid 19th cent.; earliest use found in Encyclopaedia Metropolitana. From post-classical Latin agalactos or its etymon ancient Greek ἀγάλακτος giving no milk + -ous.
ab inconvenienti: "From the inconvenience or difficulty involved (used with reference to an argument opposing a proposition on the grounds that it would cause hardship, inconvenience, or some other negative consequence)", Early 17th cent. From post-classical Latin ab inconvenienti from the inconvenience or difficulty from classical Latin ab from + inconvenienti, ablative of inconveniēns something discordant, use as noun of inconveniēns, adjective.
admixtion: "= admixture", Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From classical Latin admixtiōn-, admixtiō admixture from admixt-, past participial stem of admiscēre + -iō. Compare mixtion and commixtion.
agapanthus: "A South African plant of the lily family, with blue or white flowers growing in rounded clusters", Modern Latin, from Greek agapē 'love' + anthos 'flower'.
adelphophagy: " Zoology . The consumption by a developing embryo or larva of eggs, embryos, or larvae from the same brood", Early 20th cent.; earliest use found in Journal of the Royal Microscopical Society. From ancient Greek ἀδελϕός brother + -phagy, after French adelphophagie.
anthracene: "A colourless crystalline aromatic hydrocarbon obtained by the distillation of crude oils and used in chemical manufacture", Mid 19th century: from Greek anthrax, anthrak- 'coal' + -ene.
alopecia areata: "A disorder, probably of autoimmune origin, typically resulting in loss of hair in patches from the scalp", Mid 19th cent.; earliest use found in The Cyclopaedia of Practical Medicine. From scientific Latin alopecia areata from classical Latin alōpecia + scientific Latin areata (from classical Latin ārea a bald patch (Celsus); in post-classical Latin also a type of baldness + -āta).
astrometeorology: "The study of the (supposed) influence on the weather and climate of planetary and stellar phenomena, such as sunspots, the phases of the moon, comets, and planetary conjunctions", Early 19th cent.; earliest use found in Philosophical Magazine. From astro- + meteorology.
alarm pheromone: "A pheromone released by an animal, especially a social insect, in response to attack or injury, typically triggering a response of aggression or flight in others of the same species or colony", 1960s; earliest use found in Science.
asarabacca: "A low-growing European evergreen plant of the birthwort family, formerly used in medicine and as an ingredient in snuff", Early 16th century: from Latin asarum (from Greek asaron), probably compounded with a shortened form of another name for the plant in Greek.
active euthanasia: "The ending of a terminally ill person's life by direct intervention, such as administering a lethal dose of painkilling drugs", 1950s; earliest use found in University of Pennsylvania Law Review.
absolute humidity: "Humidity measured as the quantity of water vapour in a given volume of air, usually expressed in grams per cubic metre", Early 19th cent..
Artiodactyla: "An order of mammals that comprises the even-toed ungulates", Modern Latin (plural), from Greek artios 'even' + daktulos 'finger, toe'.
argentiferous: "(Of rocks or minerals) containing silver", Late 18th century: from Latin argentum 'silver' + -ferous.
ab intestato: "From an intestate person, by intestacy (used with reference to matters of succession or inheritance)", Early 17th cent. From classical Latin ab intestātō from an intestate person (from ab from + intestātō, ablative of intestātus), originally via French ab intestato.
Actinomyces: "A genus of Gram-positive, facultatively anaerobic bacteria with rod-shaped and branching filamentous forms, which form part of the normal mucosal flora in mammals but may cause opportunistic infections. Also (in form actinomyces): a bacterium of this genus (also called ray fungus)", Late 19th cent. From scientific Latin Actinomyces, genus name from classical Latin actīno- + scientific Latin myces.
acoustoelectronics: "(With singular concord) the branch of electronics concerned with the application of acoustoelectric phenomena", 1960s.
astrobotany: "The (supposed) connection between plants and celestial objects; especially the practice of harvesting medicinal plants in accordance with astrology", Mid 19th cent. From astro- + botany.