Definition (noun) a variable quantity that can be resolved into components
Definition (noun) a straight line segment whose length is magnitude and whose orientation in space is direction
Definition (noun) any agent (person or animal or microorganism) that carries and transmits a disease
Example Sentence
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mosquitos are vectors of malaria and yellow fever
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fleas are vectors of the plague
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aphids are transmitters of plant diseases
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when medical scientists talk about vectors they are usually talking about insects
Definition (noun) (genetics) a virus or other agent that is used to deliver DNA to a cell
