| 释义 |
trivector Geom.|traɪˈvɛktə(r)|
[f. tri- + vector n.]
A set of three vectors, i.e. radii vectores (see radius n. 3 e) from the same point.
1869Cayley Math. Papers VII. 400 We should have the focus and three points on the orbit; or (what is the same thing) three radius vectors from the focus, say a ‘trivector’. |