- (
mathematics 数学 a quantity that has both size and direction 向量；矢量 - (
biology 生物 an insect, etc. that carries a particular disease from one living thing to another （传染疾病的）介体，载体 Mosquitoes are the vectors in malaria. 蚊子是传播疟疾的媒介。
- (specialist)
a course taken by an aircraft （航空器的）航线
Word Originmid 19th cent.: from Latin, literally ‘carrier’, from vehere ‘convey’.