(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
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
performance given by a traveling company of acrobats clowns and trained animals; "the children always love to go to the circus"
a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment; "it was so funny it was a circus"; "the whole occasion had a carnival atmosphere"
a genus of haws comprising the harriers
an arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent; "they used the elephants to help put up the circus"
(antiquity) an open-air stadium for chariot races and gladiatorial games
a travelling company of entertainers; including trained animals; "he ran away from home to join the circus"
(broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs; "the networks compete to broadcast important sports events"
(electronics) a system of interconnected electronic components or circuits
a system of intersecting lines or channels; "a railroad network"; "a network of canals"
an interconnected system of things or people; "he owned a network of shops"; "retirement meant dropping out of a whole network of people who had been part of my life"; "tangled in a web of cloth"
communicate with and within a group; "You have to network if you want to get a good job"