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factor in

British  

verb

  1. (tr, adverb) to take account of (something) when making a calculation

"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

factor in Idioms  
  1. Figure in, include as a basic element. For example, In preparing the schedule we factored in vacation and sick days. This term comes from mathematics. [Mid-1900s]


Example Sentences

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High levels of Cold War "secrecy" were a factor in the haphazard approach taken towards the medical records of nuclear test veterans, an official report has found.

From BBC Jul. 15, 2026

"It's been a big factor in retention, and certainly a fluid border is going to make life much easier," he told AFP, calling it "very, very positive".

From Barron's Jul. 14, 2026

Bankers and investors involved in data-center sales this summer say guaranteed access to electrical power is a major factor in deal valuations.

From The Wall Street Journal Jul. 14, 2026

Roy says chronic inflammation is a major factor in the development of post-traumatic osteoarthritis.

From Science Daily Jul. 12, 2026

He could find no evidence of parallax, and this was an important factor in convincing him that the Earth is fixed, with the stars rotating about it on their crystal sphere.

From "The Scientists" by John Gribbin

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