lamination
(læmɪˈneɪʃən)
[f. laminate v.: see -ation.]
1. a. The action of laminating or beating metal into thin plates. rare—0. b. ‘In Midwifery, applied to the method of reducing the size of the skull in embryotomy by cutting it into slices’ (Syd. Soc. Lex. 1888).
| 1676 Coles, Lamination, a beating into a Lamina. |
c. The process of uniting two or more layers of material so as to form a laminated material or object; the manufacture of laminates.
| 1945 H. Barron Mod. Plastics xii. 259 Low pressure lamination is now a very popular technique. Ibid. 269 The continuous lamination of veneers into tubing and ducts by the winding method. 1952 J. P. Casey Pulp & Paper II. xx. 1211 The lamination of metal foil to sulfite paper in the manufacture of candy or gum wrappers. 1967 Times Rev. Industry May 84/3 No plastic film is outstanding for all requirements but the lamination of, say, cellulose film and polypropylene provides a combination of properties not otherwise attainable. 1968 J. Arnold Shell Bk. Country Crafts xvii. 219 As far back as the sixteenth century..a Manchester bowyer, one Kelsall, laid a strip of ash along the belly of his bows and so became a pioneer of lamination. |
2. The condition of being laminated; arrangement in laminæ; laminated structure.
| 1830 Lyell Princ. Geol. I. 205 The lamination of some of the concentric masses of San Filippo is so minute, that sixty may be counted in the thickness of an inch. 1845 Todd & Bowman Phys. Anat. I. 120 The lamination of bone. 1860 Tyndall Glac. i. xxi. 148 Near to the moraine..a magnificent lamination was developed. 1870 Rolleston Anim. Life Introd. 53 Its grey matter however is considerable in quantity, owing to its transverse lamination. |
3. Any of the layers of a laminated material or object.
| 1858 Geikie Hist. Boulder xi. 226 A few thin laminations of coal. 1905 S. P. Thompson Dynamo-Electr. Machinery (ed. 7) II. iii. 173 A laminated ring core built up of segmental laminations. 1920 Whittaker's Electr. Engineer's Pocket-Bk. (ed. 4) 241 Many [transformer] makers prefer laminating the conductor, and, of course, insulating each lamination. 1940 ‘Plastes’ Plastics in Industry v. 59 Another form of laminated product, that made up of laminations of wood, should be especially attractive to the engineering world. 1968 J. Arnold Shell Bk. Country Crafts xvii. 218 The bows are built up with laminations of various woods and glass-fibre. 1971 I. G. Gass et al. Understanding Earth xiii. 171/1 [Sedimentary] laminations are defined as layers less than 1 cm in thickness. |