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
primary social group; parents and children; "he wanted to have a good job before starting a family"
people descended from a common ancestor; "his family has lived in Massachusetts since the Mayflower"
a social unit living together; "he moved his family to Virginia"; "It was a good Christian household"; "I waited until the whole house was asleep"; "the teacher asked how many people made up his home"
(biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"
an association of people who share common beliefs or activities; "the message was addressed not just to employees but to every member of the company family"; "the church welcomed new members into its fellowship"
very close in space or time; "proximate words"; "proximate houses"
closest in degree or order (space or time) especially in a chain of causes and effects; "news of his proximate arrival"; "interest in proximate rather than ultimate goals"
the action of following in order; "he played the trumps in sequence"
a group of people or things arranged or following in order; "a succession of stalls offering soft drinks"; "a succession of failures"
(ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established
some situation or event that is thought about; "he kept drifting off the topic"; "he had been thinking about the subject for several years"; "it is a matter for the police"
a poor densely populated city district occupied by a minority ethnic group linked together by economic hardship and social restrictions
formerly the restricted quarter of many European cities in which Jews were required to live; "the Warsaw ghetto"
any segregated mode of living or working that results from bias or stereotyping; "the relative security of the gay ghetto"; "no escape from the ghetto of the typing pool"
a subdivision of a written work; usually numbered and titled; "he read a chapter every night before falling asleep"
a series of related events forming an episode; "a chapter of disasters"
a local branch of some fraternity or association; "he joined the Atlanta chapter"
an ecclesiastical assembly of the monks in a monastery or even of the canons of a church
any distinct period in history or in a person's life; "the industrial revolution opened a new chapter in British history"; "the divorce was an ugly chapter in their relationship"