 ##  [Divisor](/divisor) 

  ##  [Divisor](https://mathlogic.quantumdictionary.io/divisor-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A formal finite Z-linear combination of codimension-one irreducible subvarieties (prime divisors) on an algebraic variety, used to record the orders of zeros and poles of rational functions or of sections of line bundles.