单词 | vaginate |
释义 | vaginateadj. Chiefly Botany. Enclosed in a sheath (cf. vagina n. 2). Occasionally also: formed into a sheath. ΘΚΠ the world > life > biology > physical aspects or shapes > specific areas or structures > [adjective] > outer covering thick-skinned1545 investing1615 vaginal1653 sheathed1664 cortical1677 vaginated1770 vaginate1777 tegumental1822 tegumentary1828 calycine1872 walled1875 tunicary1900 1777 S. Robson Brit. Flora 148 Root fibroso-fasciculate, stem vaginate, lowest petal bifid. 1856 W. Clark tr. J. van der Hoeven Handbk. Zool. I. 190 Penis vaginate simple, with a small posterior accessory part. 1933 Amer. Jrnl. Bot. 20 379 The basal region of the scale soon becomes vaginate in form and shows no clear distinction into hypopodial and mesopodial regions. 2002 Kew Bull. 57 487 Davilla papyracea Aymard, a new species with vaginate and winged petioles, from the state of Minas Gerais, Brazil is described and illustrated. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online December 2021). vaginatev. Chiefly Botany. transitive. To sheathe; spec. to surround (a part of plant) with a sheath. Usually in passive. ΚΠ 1656 T. Blount Glossographia Vaginate, to sheath. 1698 Philos. Trans. (Royal Soc.) 20 402 These [Leaves] stand on longer or shorter Footstalks, sheathed at the Base, those above are wholly vaginated (or sheathed) and come trifoliate at every Joynt. 1790 J. Bolton Filices Britannicae II. 61 These third leaves, like the first and second, are jointed and vaginated. a1845 W. Griffith Posthumous Papers bequeathed East India Company (1851) III. 182 The leaves like those of the others are only pseudo verticillate, one produces a pistillum, the other vaginates the continuation of the axis, the third produces a branch. 1862 F. Mueller Plants Colony Victoria 169 Radicle descending, vaginated by the endopleura. 2009 Taxon 58 498/1 In several species of Macrocarpaea the petiole's upper side is vaginated into a shorter or longer furrow. This entry has been updated (OED Third Edition, June 2019; most recently modified version published online December 2021). < adj.1777v.1656 |
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