Synonyms:
vector
Meaning: a variable quantity that can be resolved into components
Usage examples
The questions were not difficult. They concerned the error of the radius vector.
And the way it increases will be for the radius vector to lengthen, so as to sweep out a bigger area.
Meanwhile, Mr. Adams wrote to the Astronomer-Royal several additional communications, making improvements in his theory, and giving what he considered nearer and nearer approximations for the place of the planet. He also now answered quite satisfactorily, but too late, the question about the radius vector sent to him months before.