| 释义 |
antiparallel, a. and n.|æntɪˈpærələl|
†1. Parallel, but opposed or contrary. Obs. rare.
a1660Hammond Serm. 646 (T.) To take the opposite course, and to provide our remedy anti-parallel to their disease.
2. Geom. antiparallel lines or antiparallels: two lines which make with two other lines angles equal each to each, but contrary ways, one being exterior and the other interior.
1796Hutton Math. Dict. I. 122.
3. Physics. Parallel but moving or directed in opposite directions: used chiefly of vectors. Also as adv.
1927C. G. Darwin in Proc. R. Soc. A. CXVI. 230 When the electron wave is analysed by a Stern-Gerlach experiment, the associated rays (or particles) are polarised anti⁓parallel. 1938F. Bitter in Physical Rev. LIV. 81/2 The case in which the internal forces are such as to make interacting spins antiparallel to each other. 1949,1961[see antiferromagnetic, -magnetism]. |