英语词源字典 - 在线词源网站

acidize [acidize 词源字典]: "To treat with acid, to acidify; specifically to inject acid into (a well) in order to enlarge pores in the surrounding rock and stimulate the flow of oil, water, etc", Mid 19th cent. From acid + -ize. Compare earlier acidized.[acidize etymology, acidize origin, 英语词源]
affixal: "Designating an affix; relating to or involving an affix or affixes", Mid 19th cent. From affix + -al. Compare French affixal.
agnomen: "A fourth name occasionally given as an honour to an ancient Roman citizen", Mid 17th century: Latin, from ad 'to' + gnomen, nomen 'name'.
acapnia: "Reduction of the level of carbon dioxide in the blood; = hypocapnia. Also: absence of carbon dioxide in the blood or in an organism's ambient atmosphere ( rare )", Late 19th cent. From Italian acapnia from ancient Greek ἄκαπνος without smoke + Italian -ia.
affiant: "A person who makes an affidavit", Early 19th century: from French, present participle of afier, from medieval Latin affidare 'declare on oath' (see affiance).
agamete: "A stage in the life cycle of a protozoan which functions as a non-sexual reproductive cell", Early 20th cent.; earliest use found in Journal of Medical Research. From German Agamete from a- + Gamete.
acutish: "Somewhat acute", Late 18th cent.; earliest use found in Erasmus Darwin (1731–1802), physician and natural philosopher. From acute + -ish.
aclinic line: "Another term for magnetic equator", Mid 19th century: aclinic from Greek aklinēs, from a- 'not' + klinein 'to bend'.
amino: "The group —NH2, present in amino acids, amides, and many amines", Late 19th century: from amine.
acrania: "Total or partial absence of the skull, occurring as a congenital malformation; an instance of this", Mid 19th cent. From scientific Latin acrania from classical Latin a- + post-classical Latin cranium + classical Latin -ia.
ataraxy: "A state of serene calmness", Early 17th century: from French ataraxie, from Greek ataraxia 'impassiveness', from a- 'not' + tarassein 'disturb'.
athetize: "Reject (a passage in a text) as spurious", Late 19th century: from Greek athetos 'without position' + -ize, rendering the Greek verb athetein.
arbitral: "Relating to or resulting from the use of an arbitrator to settle a dispute", Late 15th century: from late Latin arbitralis, from arbiter 'judge, supreme ruler'.
affusion: "The action or an act of pouring a liquid on to something or someone. Now rare", Early 17th cent.; earliest use found in Helkiah Crooke (1576–1648), physician and anatomist. From (i) French affusion parenchyma;.
autocode: "A programming language that can be used to generate machine code in another language", 1950s. From auto- + code.
areology: "The study of the planet Mars", Late 19th century: from Ares + -ology.
allotype: " Taxonomy . A designated paratype of the opposite sex to the holotype", Early 20th cent. From allo- + type.
ab intra: "From within, from the inside", Mid 17th cent.; earliest use found in Edward Symmons (c1607–1649), Church of England clergyman and author. From post-classical Latin ab intra from within from classical Latin ab from + intrā.
acardiac: "Especially of one of a pair of monochorionic or conjoined twins: lacking a heart", Mid 19th cent.; earliest use found in Marshall Hall (1790–1857), physician and neurophysiologist. From Hellenistic Greek ἀκάρδιος without a heart + -ac, after acardia and cardiac.
aberrate: "To go astray; to deviate from a usual course or mode of behaviour", Mid 18th cent.; earliest use found in Benjamin Martin (bap. 1705, d. 1782), lecturer on science and maker of scientific instruments. From classical Latin aberrāt-, past participial stem of aberrāre aberr.