英语词源字典 - 在线词源网站

ossein [ossein 词源字典]: "The collagen of bones", Mid 19th century: from Latin osseus 'bony' + -in¹.[ossein etymology, ossein origin, 英语词源]
outroot: "To pluck out or up by the root; to root out, eradicate, exterminate", Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From out- + root, probably after classical Latin ērādīcāre eradicate. Compare to root out, unroot.
opus sectile: "A form of Roman floor decoration similar to mosaic but composed of pieces shaped individually to fit the design, rather than regularly shaped tesserae", Mid 19th cent. From classical Latin opus work + sectile, neuter of sectilis produced by cutting, used by Vitruvius of Roman floors.
ocellus: "Another term for simple eye", Early 19th century: from Latin, diminutive of oculus 'eye'.
omniform: "Of all forms; having, taking, or displaying any or every form; of all shapes, appearances, or manifestations", Mid 17th cent.; earliest use found in Henry More (1614–1687), philosopher, poet, and theologian. From post-classical Latin omniformis from classical Latin omni- + -formis.
obtusion: "The action of blunting or dulling; the condition of being blunted or dulled; (now, Medicine ) = obtundation", Early 17th cent. From Middle French, French obtusion action of blunting or dulling, dullness of mind from post-classical Latin obtusion-, obtusio action of blunting or dulling, condition of being blunted or dulled (Vetus Latina) from classical Latin obtūs-, past participial stem of obtundere + -iō.
os pubis: "The pubic bone; = pubis", Late 16th cent.; earliest use found in John Banister (1532/3–?1610), surgeon. From post-classical Latin os pubis from classical Latin os + pūbis, genitive of pūbēs.
ossature: "Something resembling a skeleton; a framework or underlying structure", Mid 19th cent.; earliest use found in Journal of the Royal Geographical Society of London. From French ossature from classical Latin oss-, os bone + French -ature -ature, probably after French musculature musculature.
opuscule: "A small or minor literary or musical work", Mid 17th century: from French, from Latin opusculum, diminutive of opus 'work'.
odontoid: "A projection from the second cervical vertebra (axis) on which the first (atlas) can pivot", Early 19th century: from Greek odontoeidēs, from odous, odont- 'tooth' + eidos 'form'.
occurrent: "Actually occurring or observable, not potential or hypothetical", Late 15th century: from French, or from Latin occurrent- 'befalling', from the verb occurrere.
obsecrate: "To entreat (a person) earnestly; to implore, beseech, supplicate; to beg (a thing)", Late 16th cent. From classical Latin obsecrāt-, past participial stem of obsecrāre to beseech, entreat, implore from ob- + sacrāre to make sacred, hence lit. ‘to beseech in the name or for the sake of something sacred’.
omnium: "A track cycling competition consisting of a number of contests of different types, both races and time trials", 1940s: Latin, literally 'of all'.
opponens pollicis: "A muscle of the hand, originating from the trapezium and flexor retinaculum and inserting into the first metacarpal, which serves to cup the palm and assist in the opposing of the thumb to the other fingers", Mid 18th cent. From scientific Latin opponens pollicis from classical Latin oppōnēns, + pollicis, genitive singular of pollex thumb.
opponens: "Another term for opponent muscle", Late 18th century: from Latin, literally 'setting against'.
octandrous: "Having eight stamens", Early 19th cent.; earliest use found in William Roxburgh (1751–1815), botanist. From scientific Latin octandrus (as a specific epithet in Linnaeus Species Plantarum I. 391; from classical Latin octō- + -ανδρος, after Octandria) + -ous. Compare French octandre, adjective.
omphalic: "Of or relating to a navel; ( Anatomy ) umbilical", Early 19th cent.; earliest use found in Asiatick Researches. From ancient Greek ὀμϕαλός omphalos + -ic.
omphalitis: "Inflammation of the navel, especially in newborn babies", Mid 19th century: from omphalo- + -itis.
opponens hallucis: "A muscle of the foot corresponding to the opponens pollicis of the hand, best developed in certain apes and monkeys and seldom distinguished as a separate muscle in humans", Late 19th cent.; earliest use found in Science. From scientific Latin opponens hallucis from classical Latin oppōnēns + scientific Latin hallucis, genitive singular of hallux great toe.
oophorectomize: "To perform oophorectomy on", 1950s; earliest use found in Journal of the American Medical Association. From oophorectomy + -ize.