[ 'vɛktə ]
1》 Mathematics & Physics a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.
2》 an organism that transmits a particular disease or parasite from one animal or plant to another.
↘ Genetics a bacteriophage or plasmid which transfers genetic material into a cell.
3》 a course to be taken by an aircraft.
■ verb direct (an aircraft in flight) to a desired point.
~ial -'tɔ:rɪəl adjective
~ization or ~isation noun
~ize or ~ise verb
C19: from L., lit. 'carrier'.