英语词源字典 - 在线词源网站

acrolect [acrolect 词源字典]: "The most prestigious dialect or variety of a particular language", 1960s: from Greek akron 'summit' + -lect as in dialect.[acrolect etymology, acrolect origin, 英语词源]
Aquila: "A small northern constellation (the Eagle), said to represent the eagle that carried Ganymede to Olympus. It contains the bright star Altair, and some rich star fields of the Milky Way", Latin.
adipic acid: "A crystalline fatty acid obtained from natural fats and used especially in the manufacture of nylon", Mid 19th century: from Latin adeps, adip- 'fat' (because the acid was first prepared by oxidizing fats) + -ic.
albite: "A sodium-rich mineral of the feldspar group, typically white, occurring in silicate rocks", Early 19th century: from Latin albus 'white' + -ite¹.
agogic: "Relating to or denoting accentuation within musical phrases by slight lengthening of notes", Late 19th century: coined in German from Greek agōgos 'leading', from agein 'to lead', + -ic.
acmite: "An iron-containing mineral of the pyroxene group, which occurs as dark green, pointed crystals", Early 19th cent. Originally from Swedish Achmit from Greek ἀχμή, supposed variant of ancient Greek ἀκμή point + -it, so called on account of the shape of its crystals. In later use altered after ancient Greek ἀκμή.
alba: "A shrub rose of a variety with grey-green leaves and pinkish-white, sweet-scented flowers", Mid 19th century: from Latin alba, feminine of albus 'white', from the name rosa alba, an old white garden rose.
aerotaxis: "Directional movement (taxis) of a cell or organism in response to a gradient in oxygen concentration; an instance of this", Late 19th cent.; earliest use found in Journal of the Royal Microscopical Society.
avidin: "A protein found in raw egg white, which combines with biotin and hinders its absorption", 1940s: from avid + -in¹.
altricial: "(Of a young bird or other animal) hatched or born in an undeveloped state and requiring care and feeding by the parents", Late 19th century: from Latin altrix, altric-, feminine of altor 'nourisher', from alere 'nourish'.
ab ovo: "From the very beginning", Latin, literally 'from the egg'.
Aves: "A class of vertebrates which comprises the birds", Latin, plural of avis 'bird'.
ambulacrum: "(In an echinoderm) each of the radially arranged bands, together with their underlying structures, through which the double rows of tube feet protrude", Early 19th century: Latin, 'avenue', from ambulare 'to walk'.
anguine: "Of or resembling a snake", Mid 17th century: from Latin anguinus, from anguis 'snake'.
acerose: "Full of or resembling chaff. rare", Early 18th cent.; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From classical Latin acerōsus full of or mixed with chaff from acer-, acus chaff + -ōsus.
adactyl: "= adactylous", Early 19th cent.; earliest use found in George Shaw (1751–1813), natural historian. From French adactyle or its etymon post-classical Latin adactylus from a- + ancient Greek δάκτυλος finger, toe.
apolune: "The point at which a spacecraft in lunar orbit is furthest from the moon", 1960s: from apo- + Latin luna 'moon', on the pattern of apogee.
acarian: "= acarine", Mid 19th cent.; earliest use found in Encyclopaedia Metropolitana. From scientific Latin Acarus + -ian. perhaps after French acarien (1833 or earlier as noun (chiefly in plural acariens), 1842 or earlier as adjective).
actinal: "Designating the part or surface of an echinoderm or other radiate animal which contains the mouth and surrounding organs (as the lower or oral side of a starfish); relating to this part", Mid 19th cent.; earliest use found in Louis Agassiz (1807–1873), zoologist and geologist. From ancient Greek ἀκτῖν-, ἀκτίς ray + -al.
acaudal: "Tailless; acaudate", Mid 19th cent.; earliest use found in Magazine of Natural History. From a- + caudal.