| 释义 |
uniaxial, a.|juːnɪˈæksɪəl|
[f. uni- 1 + axial a.]
1. Optics and Cryst. Having one optical axis.
1827–8Herschel in Encycl. Metrop. (1845) IV. 520 When the two axes coalesce, or the crystal becomes uniaxial, the lemniscates become circles. a1853Pereira Polarized Light (1854) 176 The crystal possesses the singular property of being uniaxial for violet light and biaxial for red. 1888Rutley Rock-Forming Min. 37 Uniaxial crystals.
2. Bot. and Zool. = monaxial a.
1879Rossiter Dict. Sci., Uniaxial development: in all vertebrate animals, some molluscs and annulosa; in some of exogens, endogens, algæ, and fungi.
3. Characterized by one axis of alignment or action.
1965E. B. Atkinson in P. D. Ritchie Physics of Plastics v. 250 The cube is subjected to a simple tensile stress normal to the x faces,..i.e. a state of simple uniaxial tension exists. 1969W. R. R. Park Plastics Film Technol. ii. 28 Uniaxial orientation takes place during the drawing of a filament. Here the polymer chains are aligned in one direction. 1982Jrnl. de Physique: Lettres XLIII. 585 The dynamics of an amorphous polystyrene..melt is studied..during stress relaxation following a uniaxial deformation.
Hence uniˈaxially adv.
1909in Webster. 1969Jrnl. Appl. Physics XL. 1301 The coercive force for a pair of identical interacting uniaxially anisotropic dipoles of arbitrary bond angle is calculated. 1979Nature 15 Mar. 222/2 The entire assembly would then be hot-pressed, either uniaxially or isostatically, at a temperature of 1,200–1,300°C. |