| 释义 |
▪ I. ˌonˈlay, v. Obs. exc. as ppl. a.
[f. on-1 + lay v.]
trans. To lay on (lit. and fig.): see lay v.1 55. Hence ˈonˌlaid ppl. a., laid on; † ˈonˌlaying vbl. n., laying on.
a1300Cursor M. 29162 If þe priest þat penance lais Be noght all wise in on-lainge. 1674N. Fairfax Bulk & Selv. Contents c ij b, That two Bodies touch, somthing must needs be between; else onlay'd bodies, and inlay'd would be all one. 1830Scott Demonol. 324 Onlaying of certain iron gauds (bars) severally one by one. 1832J. Wilson in Blackw. Mag. XXXI. 173 To prepare a bed beneath the portico, and beautiful bedclothes to onlay. 1880L. Higgins Handbk. Embroidery v. 54 ‘Onlaid appliqué’ is done by cutting out the pattern in one or many coloured materials, and laying it down on an intact ground of another material. 1971Bodl. Libr. Rec. VIII. 264 The covers are decorated with onlaid straw, a wide outer band of large stylized flowers..with doublures bearing similar straw onlays. 1976Times Lit. Suppl. 25 June 805/4 Thomas Fassam's An Herbarium for the Fair, 1949, onlaid with butterflies and woodruff by a new-comer, Angela James.
▪ II. onlay, n.|ˈɒnleɪ|
[f. on-1 4 + lay v.]
a. Anything mounted upon something else or affixed to it so as to rise from its surface in relief, especially in ornamental design (Cent. Dict.).
1959L. M. Harrod Librarians' Gloss. (ed. 2) 194 Onlay, a decorative panel of paper or other material glued to the cover of a book without preparing the cover to receive it. 1961J. Carter ABC for Bk. Collectors (ed. 3) 139 The technique was occasionally adapted to publisher's cloth between 1840 and 1860, when the onlays were sometimes of paper. 1971[see prec.]. 1976Times Lit. Suppl. 25 June 805/1 Technical innovations since the Second World War have greatly extended the binder's decorative range. Before then decoration was limited to gold or blind-tooling and coloured onlays.
b. Dentistry. An occlusal rest extended so as to cover the whole occlusal surface of a tooth.
1906J. A. Lentz U.S. Pat. 833,883 23 Oct., My objects are, first, to facilitate and expedite the reproduction or duplication in gold, gold alloy, or similar substance of a variety of forms, such as inlays, onlays, cusps, [etc.]. 1935G. M. Anderson Dewey's Pract. Orthodontia (ed. 5) xxii. 427 If the tooth is sufficiently exposed so that one need not cut into it, an onlay may be used in conjunction with the auxiliary spring. 1973L. Baum Advanced Restorative Dentistry xi. 169 Onlays are generally more acceptable than inlays in middle-aged and older patients because the design of onlay preparations provides for a casting which will bond together the remaining tooth structure.
c. onlay graft Surg.: a bone graft in which a piece of bone is fixed over a fracture.
1927Southern Med. Jrnl. (Nashville, Tennessee) XX. 114/2 Of the thirty-eight bones in which the onlay graft was employed, three failed to induce osseous union. 1957Rob & Smith Operative Surg. V. ix. i. 12 Fixation by on-lay graft. The technique is the same as for fixation by a metal plate except that a cortical slab graft..is used instead of the metal plate. |