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
cause or enable to pass through; "The canal will transit hundreds of ships every day"
revolve (the telescope of a surveying transit) about its horizontal transverse axis in order to reverse its direction
pass across (a sign or house of the zodiac) or pass across (the disk of a celestial body or the meridian of a place); "The comet will transit on September 11"
make a passage or journey from one place to another; "The tourists moved through the town and bought up all the souvenirs;" "Some travelers pass through the desert"