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
a line or route along which something travels or moves; "the hurricane demolished houses in its path"; "the track of an animal"; "the course of the river"
reproduction of some unicellular organisms (such as yeasts) by growth and specialization followed by the separation by constriction of a part of the parent
(grammar) a word or phrase or clause forming part of a larger grammatical construction
a member of a constituency; a citizen who is represented in a government by officials for whom he or she votes; "needs continued support by constituents to be re-elected"
(usually plural) a necessary commodity for which demand is constant
a popular programming language that is relatively easy to learn; an acronym for beginner's all-purpose symbolic instruction code; no longer in general use
of or denoting or of the nature of or containing a base
serving as a base or starting point; "a basic course in Russian"; "basic training for raw recruits"; "a set of basic tools"; "an introductory art course"
pertaining to or constituting a base or basis; "a basic fact"; "the basic ingredients"; "basic changes in public opinion occur because of changes in priorities"
reduced to the simplest and most significant form possible without loss of generality; "a basic story line"; "a canonical syllable pattern"
a base hit on which the batter stops safely at first base
existing alone or consisting of one entity or part or aspect or individual; "upon the hill stood a single tower"; "had but a single thought which was to escape"; "a single survivor"; "a single serving"; "a single lens"; "a single thickness"
used of flowers having usually only one row or whorl of petals; "single chrysanthemums resemble daisies and may have more than one row of petals"
marked by fidelity to an original; "a close translation"; "a faithful copy of the portrait"; "a faithful rendering of the observed facts"
rigorously attentive; strict and thorough; "close supervision"; "paid close attention"; "a close study"; "kept a close watch on expenditures"
at or within a short distance in space or time or having elements near each other; "close to noon"; "how close are we to town?"; "a close formation of ships"
close in relevance or relationship; "a close family"; "we are all...in close sympathy with..."; "close kin"; "a close resemblance"
inclined to secrecy or reticence about divulging information; "although they knew her whereabouts her friends kept close about it"
crowded; "close quarters"
(of a contest or contestants) evenly matched; "a close contest"; "a close election"; "a tight game"
used of hair or haircuts; "a close military haircut"
fitting closely but comfortably; "a close fit"
confined to specific persons; "a close secret"
strictly confined or guarded; "kept under close custody"
of textiles; "a close weave"; "smooth percale with a very tight weave"
in an attentive manner; "he remained close on his guard"
finish a game in baseball by protecting a lead; "The relief pitcher closed with two runs in the second inning"
complete a business deal, negotiation, or an agreement; "We closed on the house on Friday"; "They closed the deal on the building"
move so that an opening or passage is obstructed; make shut; "Close the door"; "shut the window"
become closed; "The windows closed with a loud bang"
fill or stop up; "Can you close the cracks with caulking?"
bar access to; "Due to the accident, the road had to be closed for several hours"
bring together all the elements or parts of; "Management closed ranks"
draw near; "The probe closed with the space station"
come together, as if in an embrace; "Her arms closed around her long lost relative"
change one's body stance so that the forward shoulder and foot are closer to the intended point of impact
cause a window or an application to disappear on a computer desktop
engage at close quarters; "close with the enemy"
finish or terminate (meetings, speeches, etc.); "The meeting was closed with a charge by the chairman of the board"
be priced or listed when trading stops; "The stock market closed high this Friday"; "My new stocks closed at $59 last night"