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factor

[fak-ter] /ˈfæk tər/
noun
1.
one of the elements contributing to a particular result or situation:
Poverty is only one of the factors in crime.
2.
Mathematics. one of two or more numbers, algebraic expressions, or the like, that when multiplied together produce a given product; a divisor:
6 and 3 are factors of 18.
3.
Biochemistry. any of certain substances necessary to a biochemical or physiological process, especially those whose exact nature and function are unknown.
4.
a business organization that lends money on accounts receivable or buys and collects accounts receivable.
5.
a person who acts or transacts business for another; an agent.
6.
an agent entrusted with the possession of goods to be sold in the agent's name; a merchant earning a commission by selling goods belonging to others.
7.
a person or business organization that provides money for another's new business venture; one who finances another's business.
9.
Scot. the steward or bailiff of an estate.
verb (used with object)
10.
Mathematics. to express (a mathematical quantity) as a product of two or more quantities of like kind, as 30 = 2·3·5, or x 2y 2 = (x + y) (x − y).
Compare expand (def 4a).
11.
to act as a factor for.
verb (used without object)
12.
to act as a factor.
Verb phrases
13.
factor in/into, to include as an essential element, especially in forecasting or planning:
You must factor insurance payments into the cost of maintaining a car.
Origin
late Middle English
1400-1450
1400-50; late Middle English facto(u)r < Latin factor maker, perpetrator, equivalent to fac(ere) to make, do + -tor -tor
Related forms
factorable, adjective
factorability, noun
factorship, noun
subfactor, noun
underfactor, noun
unfactorable, adjective
unfactored, adjective

factor VIII

Origin
1960-65

factor IX

noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for factor
  • Frying sage leaves is easy and provides a real wow factor.
  • Instead, one transcription factor can flick on an array of functionally related genes.
  • The problem is that the measured difference is too small by a factor of a billion to explain the amount of matter in the universe.
  • To correct for this factor, the scientists calculated the probability of catastrophe for any planet that can support life.
  • The secrecy that surrounds offshore drilling rigs is another limiting factor.
  • At some point in the near future the genotypes won't be the limiting factor.
  • The arithmetic breaks down when considering a causal factor that is necessary but not sufficient for the development of a trait.
  • By the fifteenth decimal place, the limiting factor in atomic clocks seems to be that the cesium atoms are moving at all.
  • The integrity of neural wiring is a big factor in determining intelligence.
  • It may be small comfort to anyone sporting a comb-over, but researchers have found a second genetic risk factor for baldness.
British Dictionary definitions for factor

factor

/ˈfæktə/
noun
1.
an element or cause that contributes to a result
2.
(maths)
  1. one of two or more integers or polynomials whose product is a given integer or polynomial: 2 and 3 are factors of 6
  2. an integer or polynomial that can be exactly divided into another integer or polynomial: 1, 2, 3, and 6 are all factors of 6
3.
(foll by identifying numeral) (med) any of several substances that participate in the clotting of blood: factor VIII
4.
a person who acts on another's behalf, esp one who transacts business for another
5.
(commerce) a business that makes loans in return for or on security of trade debts
6.
former name for a gene
7.
(commercial law) a person to whom goods are consigned for sale and who is paid a factorage
8.
(in Scotland) the manager of an estate
verb
9.
(intransitive) to engage in the business of a factor
See also factor in
Derived Forms
factorable, adjective
factorability, noun
factorship, noun
Usage note
Factor (sense 1) should only be used to refer to something which contributes to a result. It should not be used to refer to a part of something such as a plan or arrangement; instead a word such as component or element should be used
Word Origin
C15: from Latin: one who acts, from facere to do

factor VIII

noun
1.
a protein that participates in the clotting of blood. It is extracted from donated serum and used in the treatment of the commonest type of haemophilia, in which it is absent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for factor
n.

early 15c., "agent, deputy," from Middle French facteur "agent, representative," from Latin factor "doer or maker," agent noun from past participle stem of facere "to do" (see factitious). Sense of "circumstance producing a result" is from 1816.

v.

1610s, "act as an agent," from factor (n.). The use in mathematics is attested from 1837. Related: Factored; factoring.

Online Etymology Dictionary, © 2010 Douglas Harper
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factor in Medicine

factor fac·tor (fāk'tər)
n.

  1. One that contributes in the cause of an action.

  2. A mathematical component that by multiplication makes up a number or expression.

  3. A gene.

  4. A substance, such as a vitamin, that functions in a specific biochemical reaction or bodily process, such as blood coagulation.

factor VIII n.
A factor in the clotting of blood, a deficiency of which is associated with hemophilia A. Also called antihemophilic factor, antihemophilic globulin, antihemophilic globulin A, proserum prothrombin conversion accelerator.

factor IX n.
A factor in the clotting of blood necessary for the formation of intrinsic blood thromboplastin; a deficiency of it causes hemophilia B. Also called antihemophilic globulin B, Christmas factor.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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factor in Science
factor
  (fāk'tər)   
Noun  
  1. One of two or more numbers or expressions that are multiplied to obtain a given product. For example, 2 and 3 are factors of 6, and a + b and a - b are factors of a2 - b2.

  2. A substance found in the body, such as a protein, that is essential to a biological process. For example, growth factors are needed for proper cell growth and development.


Verb  To find the factors of a number or expression. For example, the number 12 can be factored into 2 and 6, or 3 and 4, or 1 and 12.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for factor

factor

Related Terms

finagle factor, fudge factor


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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factor in Technology


A quantity which is multiplied by another quantity.
See also divisor.
[Jargon File]

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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