VECTOR
\vˈɛktə], \vˈɛktə], \v_ˈɛ_k_t_ə]\
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a variable quantity that can be resolved into components

any agent (person or animal or microorganism) that carries and transmits a disease; "mosquitos are vectors of malaria and yellow fever"; "fleas are vectors of the plague"; "aphids are transmitters of plant diseases".
By DataStellar Co., Ltd

A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.
By Oddity Software

A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.
By Noah Webster.
Word of the day
transmutation theory
 The theory that one species can evolve from another. t. the change of one element into another species or element.