vector

noun
vec·​tor | \ ˈvek-tər How to pronounce vector (audio) \
plural vectors

Definition of vector

 (Entry 1 of 2)

1a : a quantity that has magnitude and direction and that is commonly represented by a directed line segment whose length represents the magnitude and whose orientation in space represents the direction broadly : an element of a vector space
b : a course or compass direction especially of an airplane
2a : an organism (such as an insect) that transmits a pathogen from one organism or source to another The insect vector in malaria is the anopheline mosquito, a genus comprising many species around the world.— Frank Graham, Jr. — compare carrier sense 5a, reservoir sense 3
3 : an agent (such as a plasmid or virus) that contains or carries modified genetic material (such as recombinant DNA) and can be used to introduce exogenous genes into the genome of an organism

vector

verb
vectored; vectoring\ ˈvek-​t(ə-​)riŋ How to pronounce vector (audio) \

Definition of vector (Entry 2 of 2)

transitive verb

1 : to guide (something or someone, such as an airplane, its pilot, or a missile) in flight by means of a radioed vector
2 : to change the direction of (the thrust of a jet engine) for steering

Other Words from vector

Noun

vector adjective
vectorial \ vek-​ˈtȯr-​ē-​əl How to pronounce vector (audio) \ adjective
vectorially \ vek-​ˈtȯr-​ē-​ə-​lē How to pronounce vector (audio) \ adverb

Examples of vector in a Sentence

Noun a mosquito that is the principal vector of yellow fever
Recent Examples on the Web: Noun But unlike with other public health measures put in place during the pandemic, the CDC never publicly disclosed scientific data that showed that migrants crossing the border were a major vector for the coronavirus. Democrat-gazette Staff From Wire Reports, Arkansas Online, 2 Apr. 2022 But unlike with other public health measures put in place during the pandemic, the C.D.C. never publicly disclosed scientific data that showed that undocumented migrants crossing the border were a major vector for the coronavirus. New York Times, 1 Apr. 2022 Spin is a vector with a direction as well as a magnitude, and it is often represented by an arrow, ↑ or ↓, for example. Henrik Mouritsen, Scientific American, 1 Apr. 2022 Web applications have been shown to be a top vector for hacking, particularly content management systems that are popular with many organizations as a way to share information and build a digital presence. Carlos Morales, Forbes, 4 Jan. 2022 Based on these loss metrics, an impact value should be assigned to each vector based on the device type, its context and its operational usage. Vince Arneja, Forbes, 7 July 2022 This is a motion-vector comparison test, with both images captured while the camera moves upward. Sam Machkovech, Ars Technica, 13 May 2022 AstraZeneca’s viral-vector vaccine is available in Japan, too, but most of the country’s supply of AstraZeneca shots, which are manufactured domestically, have been donated to other countries. Eamon Barrett, Fortune, 19 Apr. 2022 Boosters of mRNA Covid vaccines like those from Moderna and Pfizer gave more protection against hospitalization than the viral-vector vaccine from Johnson & Johnson during omicron’s dominance, according to a separate study published by the CDC. Josh Wingrove, Bloomberg.com, 29 Mar. 2022 Recent Examples on the Web: Verb That ability to vector torque towards traction should endow the Hummer EV with an unprecedented ability to keep moving forward through even the gnarliest of slippery conditions. Wes Siler, Outside Online, 21 Oct. 2020 In 1998 an insect called the Asian Citrus Psyllid (ACP) showed up in Florida and caused concern because it was known to vector this disease while feeding on the tree’s sap. Steven Savage, Forbes, 26 Jan. 2022 With its massive tires, all-wheel drive, and torque-vectoring rear differential, the Urus produced 1.04 g of grip on the skidpad and stopped from 70 mph in 150 feet, basically matching the stock version's results. Scott Oldham, Car and Driver, 19 Mar. 2020 On the street version, the front electric motors generate a torque-vectoring effect that manages traction while turning. Eric Adams, Wired, 17 Feb. 2020 The test vehicle, an all-wheel-drive Elite model, uses computerized torque vectoring to send up to 70% of the powertrain’s torque between axles, and 100% between wheels for better traction while cornering. Tribune News Service, cleveland, 25 Jan. 2020 The Sport Chrono package, which includes torque vectoring with a mechanical limited-slip differential, is also standard. Connor Hoffman, Car and Driver, 15 Jan. 2020 Both harnessed broader disruptive energies — away from entrenched party establishments and toward a more populist and nationally vectored politics. Fred Bauer, National Review, 13 Dec. 2019 In this case, take the attractive but dull-to-drive A7 fastback and give it a twin-turbo V8, uprated suspension, and a clever torque-vectoring rear diff, then build a few thousand each year. Jonathan M. Gitlin, Ars Technica, 24 Sep. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vector.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of vector

Noun

1846, in the meaning defined at sense 1a

Verb

1941, in the meaning defined at sense 1

History and Etymology for vector

Noun

earlier, short for radius vector, borrowed from Latin, "carrier, conveyer," from vec-, alternate stem of vehere "to convey, carry" + -tor, agent suffix — more at way entry 1

Learn More About vector

Dictionary Entries Near vector

vectograph

vector

vector addition

See More Nearby Entries 

Statistics for vector

Last Updated

3 Aug 2022

Cite this Entry

“Vector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vector. Accessed 12 Aug. 2022.

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More Definitions for vector

vector

noun
vec·​tor | \ ˈvek-tər How to pronounce vector (audio) \

Kids Definition of vector

: a living thing (as a mosquito, fly, or tick) that carries and passes on a disease-causing microorganism

vector

noun
vec·​tor | \ ˈvek-tər How to pronounce vector (audio) \

Medical Definition of vector

 (Entry 1 of 2)

1 : a quantity that has magnitude and direction and that is usually represented by part of a straight line with the given direction and with a length representing the magnitude
2 : an organism (as an insect) that transmits a pathogen from one organism or source to another fleas are vectors of plague — compare carrier sense 1a, reservoir sense 2
3 : an agent (as a plasmid or virus) that contains or carries modified genetic material (as recombinant DNA) and can be used to introduce exogenous genes into the genome of an organism

Other Words from vector

vectorial \ vek-​ˈtōr-​ē-​əl, -​ˈtȯr-​ How to pronounce vector (audio) \ adjective

vector

transitive verb
vectored; vectoring\ -​t(ə-​)riŋ How to pronounce vector (audio) \

Medical Definition of vector (Entry 2 of 2)

: to transmit (a pathogen or disease) from one organism to another : act as a vector for a disease vectored by flies

More from Merriam-Webster on vector

Nglish: Translation of vector for Spanish Speakers

Britannica English: Translation of vector for Arabic Speakers

Britannica.com: Encyclopedia article about vector

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