Main Entry:

de·le·tion

Pronunciation:

\di-ˈlē-shən, dē-\

Function:

noun

Etymology:

Latin deletion-, deletio destruction, from delēre

Date:

1590

1: the act of deleting2 a: something deleted b (1): the absence of a section of genetic material from a gene or chromosome (2): the mutational process that results in a deletion