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"; "when medical scientists talk about vectors they are usually talking about insects"
a straight line segment whose length is magnitude and whose orientation in space is direction
characterized by the exactness or precision of mathematics; "mathematical precision"
statistically possible though highly improbable; "have a mathematical chance of making the playoffs"
beyond question; "a mathematical certainty"
of or pertaining to or of the nature of mathematics; "a mathematical textbook"; "slide rules and other mathematical instruments"; "a mathematical solution to a problem"; "mathematical proof"
operating or moving or allowing movement in one direction only; "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem"
the act of officially naming a candidate; "the Republican nomination for Governor"
the condition of having been proposed as a suitable candidate for appointment or election; "there was keen competition for the nomination"; "his nomination was hotly protested"