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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"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

Very tough choice because you have to factor in injuries, injury and illness in Rice's case, and the fact we are now at the sudden-death stage of the World Cup.

From BBC Jul. 13, 2026

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

From Science Daily Jul. 12, 2026

A stadium that looks like a 50-50 deal may really be a 70-30 deal once you factor in the land and the off-balance-sheet subsidies.

From The Wall Street Journal Jul. 8, 2026

Berkeley had few faculty positions to offer members of the Rad Lab, and, in any case, sending his people out into the world was a crucial factor in spreading the cyclotron gospel.

From "Big Science" by Michael Hiltzik

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