# Definify.com

## Vec′tor

,
Noun.
[L., a bearer, carrier. fr.
vehere
,
vectum
, to carry.]
1.
Same as
.
2.
(Math.)
A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same and their magnitudes equal. Cf.
Scalar
.
☞ In a triangle, either side is the vector sum of the other two sides taken in proper order; the process finding the vector sum of two or more vectors is vector addition (see under
).

## VEC'TOR

,
Noun.
[L. from veho, to carry.] In astronomy, a line supposed to be drawn from any planet moving round a center or the focus of an ellipsis, to that center or focus.

# vector

## English

### Noun

vector (plural vectors)

1. (mathematics) A directed quantity, one with both magnitude and direction; the signed difference between two points.
• As examples of vector quantities may be mentioned the distance between any two given points, a velocity, a force, an acceleration, angular velocity, intensity of magnetization flux of heat.
2. (mathematics) An ordered tuple representing a directed quantity or the signed difference between two points.
3. (mathematics) Any member of a (generalized) vector space.
The vectors in are the single-variable polynomials with rational coefficients: one is .
4. (aviation) A chosen course or direction for motion, as of an aircraft.
5. (epidemiology) A carrier of a disease-causing agent.
6. (sociology) A person or entity that passes along an urban legend or other meme.
7. (psychology) A recurring psychosocial issue that stimulates growth and development in the personality.
8. The way in which the eyes are drawn across the visual text. The trail that a book cover can encourage the eyes to follow from certain objects to others.(Can we add an example for this sense?)
9. (computing, operating systems) A memory address containing the address of a code entry point, usually one which is part of a table and often one that is dereferenced and jumped to during the execution of an interrupt.
10. (programming) A one-dimensional array.
• 2004, Jesse Liberty, ‎Bradley L. Jones, Sams Teach Yourself C++ in 21 Days (page 694)
To create a vector of students in a class, you will want the vector to be large enough []
11. (molecular biology) A DNA molecule used to carry genetic information from one organism into another.

#### Usage notes

• (programming): The term vector is used loosely when the indices are not (either positive or non-negative) integers.

### Verb

vector (third-person singular simple present vectors, present participle vectoring, simple past and past participle vectored)

1. To set (particularly an aircraft) on a course toward a selected point.
• 1994, Eve Kosofsky Sedgwick, Tendencies
[] if love is vectored toward an object and Elinor's here flies toward Marianne, Marianne's in turn toward Willoughby.
2. (computing) To redirect to a vector, or code entry point.

#### References

• The New Oxford Dictionary of English

## Catalan

### Noun

vector m (plural vectors)

1. vector

## Dutch

### Noun

vector m (plural vectoren, diminutive )

1. (mathematics) an element of a vector space

## Latin

### Pronunciation

• (Classical) IPA(key): /ˈwek.tor/, [ˈwɛk.tɔr]

### Noun

vector m (genitive vectōris); third declension

#### Inflection

Third declension.

Case Singular Plural
nominative vector vectōrēs
genitive vectōris vectōrum
dative vectōrī vectōribus
accusative vectōrem vectōrēs
ablative vectōre vectōribus
vocative vector vectōrēs

### Verb

vector

1. first-person singular present passive indicative of vectō

### References

• vector in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• vector in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• Meissner, Carl; Auden, Henry William (1894) Latin Phrase-Book, London: Macmillan and Co.
• passengers: vectores (Phil. 7. 9. 27)

## Portuguese

### Noun

vector m (plural vectores)

1. Superseded spelling of vetor.

## Spanish

### Noun

vector m (plural vectores)

1. vector