General English

General Science

  • noun the amount by which something is multiplied
  • noun either of two numbers or quantities that can be multiplied together to give a particular number


  • noun something which is important, or which is taken into account when making a decision
  • noun a number used in multiplication to produce another number
  • noun a person or company which is responsible for collecting debts for companies, by buying debts at a discount on their face value
  • noun a person who sells for a business or another person and earns a commission
  • verb to buy debts from a company at a discount


  • noun an important part of a result, a process, etc.


  • Sometimes refers to any input to production.
  • Anything that helps to cause something, as a "contributing factor."

Health Economics

  • (written as Factor)
    In choice experiments such as discrete choice experiments the variables of interest are often termed 'factors' and the values each can take are referred to as 'factor levels'. A specific factor level is referred to as a 'treatment' and each specific combination of treatments is referred to as either a 'treatment combination' or a 'profile'.

Information & Library Science

  • noun one aspect which affects an event, situation or decision


  • noun something which has an influence or which makes something else take place
  • noun a substance, variously numbered, e.g. Factor I, Factor II, in the plasma, which makes the blood coagulate when a blood vessel is injured

Real Estate

  • noun a person or company that manages an estate or large property on behalf of the owner