Vector, n.

Pronounciation:

/ˈvɛktə/

Meaning:

1) An ordered set of two or more numbers (interpretable as the co-ordinates of a point); a matrix with one row or one column; also, any element of a vector space.

2) A quantity having direction as well as magnitude, denoted by a line drawn from its original to its final position.

Source:

OED

n.

Pronunciation

/ˈvɛktə speɪs/

Meaning

a group whose elements can be combined with each other and with the elements of a scalar field in the way that vectors can, addition within the group being commutative and associative and multiplication by a scalar being distributive and associative.

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