| 释义 |
lamellar, a. Chiefly scientific.|ləˈmɛlə(r)|
[f. prec. + -ar. Cf. F. lamellaire.]
1. Consisting of, characterized by, or arranged in, lamellæ or thin plates or scales.
1794Sullivan View Nat. I. 439 Its texture, lamellar or scaly. 1796Kirwan Elem. Min. (ed. 2) I. 244 Lamellar, by some called foliated, or sparry quartz. 1849Dana Geol. iii. (1850) 274 The lava is lamellar in structure. 1870Hooker Stud. Flora 244 Convolvulaceæ..Stigmas capitate linear or lamellar. 1881Maxwell Electr. & Magn. II. 34 If a magnet can be divided into simple magnetic shells, either closed or having their edges on the surface of the magnet, the distribution of magnetism is called Lamellar.
2. Physics. = laminar a. 2 (in the broader sense).
1931W. Wilson Theoret. Physics I. viii. 190 Problems of lamellar flow in an incompressible fluid are mathematically identical with electrostatic problems in regions free from electric charges. 1942M. P. Billings Struct. Geol. xvi. 299 In lamellar flow..the individual particles move in parallel sheets which slide over one another like the cards in a sheared playing pack. In such a viscous substance as magma beneath the surface of the earth, the flow is lamellar. 1966McGraw-Hill Encycl. Sci. & Technol. XIII. 175/1 In some instances, streamline flow can best be depicted as formed from thin layers of fluid which slip past each other (lamellar flow).
Hence laˈmellarly adv., in thin plates or scales (Webster, 1828). |