英语词源字典 - 在线词源网站

arborvirus [arborvirus 词源字典]: "= arbovirus", 1950s. From ar- and bor- + virus.[arborvirus etymology, arborvirus origin, 英语词源]
adiathermic: "Of a substance, body, etc.: not diathermic; allowing no transfer of heat", Mid 19th cent. From a- + diathermic, after French adiathermique.
agricultural science: "The application of science to agriculture; the field of study concerned with this", Late 18th cent.; earliest use found in The Monthly Review.
ability grouping: "The organization of pupils into groups according to their perceived ability (either in different schools, or within the same school or class), so that learners of a similar proficiency may be taught together at the same level", Early 20th cent..
alexipharmac: "= alexipharmic", Late 16th cent.; earliest use found in John Banister (1532/3–?1610), surgeon. As noun from (i) Middle French, French (now rare) alexipharmaque.
ablactation: "Originally: the weaning of a child or other young mammal. In later use also: suppression or cessation of lactation", Late 15th cent.; earliest use found in Speculum Sacerdotale. From post-classical Latin ablactation-, ablactatio process of weaning (Vulgate) from ablactat-, past participial stem of ablactare + classical Latin -iō: see -ation.
acclamator: "A person who acclaims or joins in acclamation; an acclaimer, an applauder", Late 17th cent.; earliest use found in John Evelyn (1620–1706), diarist and writer. From post-classical Latin acclāmātor person who proclaims from classical Latin acclāmāt-, past participial stem of acclāmāre + -or.
actinomycete: "A bacterium of an order of typically non-motile filamentous forms. They include streptomycetes, and were formerly regarded as fungi", 1920s (originally only in the plural): modern Latin, from Greek aktis, aktin- 'ray' + mukētes, plural of mukēs 'fungus'.
affableness: "= affability", Late 16th cent.; earliest use found in Abraham Fleming (c1552–1607), author, literary editor, and Church of England clergyman. From affable + -ness.
accipitrine: "Relating to or denoting birds of a family that includes most diurnal birds of prey other than falcons, New World vultures, and the osprey", Mid 19th century: from French, from Latin accipiter 'bird of prey'.
ammoniacal: "Of or containing ammonia", Mid 18th century: from Middle English ammoniac, via Old French from Latin ammoniacus. This represented the Greek word ammōniakos 'of Ammon', used as a name for the salt and gum obtained near the temple of Jupiter Ammon at Siwa in Egypt. Compare with sal ammoniac.
admissibleness: "The quality of being admissible; admissibility", Early 19th cent.; earliest use found in Antijacobin Review. From admissible + -ness.
acidific: " Chemistry . In Lamarck's terminology: designating a form of fire held to be responsible for caustic or acidic properties. rare . Now historical", Mid 19th cent.; earliest use found in Edinburgh New Philosophical Journal. From acid + -ific.
agrypnotic: "A drug or treatment administered to produce wakefulness or prevent sleep; an antihypnotic; a stimulant", Mid 19th cent. From agrypn- + -otic, after hypnotic noun.
agrarianize: "To redistribute (property, land) on an equal basis", Mid 19th cent.; earliest use found in Christian Observer. From agrarian + -ize.
arthrospore: "Any of various kinds of spore or spore-like body produced by fungi and bacteria, specifically a fungal conidium formed by segmentation and fragmentation of an articulated hypha", Late 19th cent.; earliest use found in Archives of Dermatology. From arthro- + spore, after French arthrospore.
ad captandum vulgus: "So as to win over or capture the minds and attention of the mass of ordinary people", Early 18th cent. From post-classical Latin ad captandum vulgus from classical Latin ad + captandum, neuter of the gerundive of captāre to entice, allure + vulgus.
arachidonic acid: "A polyunsaturated fatty acid present in animal fats. It is important in metabolism, especially in the synthesis of prostaglandins and leukotrienes, and is an essential constituent of the diet", Early 20th century: arachidonic formed irregularly from arachidic (a saturated fatty acid) from Latin arachis, see arachis oil, + -one + -ic.
acaroid: "A resin obtained in Australia from some kinds of grass tree, used in making varnish", Mid 19th century: of unknown origin.
affirmable: "Capable of being affirmed or asserted", Early 17th cent.; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. From affirm + -able, originally after French †affermable.