1 : the absence of a section of genetic material from a gene or chromosome 2 : the mutational process that results in a deletion

DELETION definition: an act or instance of deleting. See examples of deletion used in a sentence.

A deletion is also the loss of part of a chromosome (= structure containing the information that controls what plants and animals are like), or the chromosome that results from such a loss.

Definition of deletion noun from the Oxford Advanced Learner's Dictionary. deletion (to something) the act of removing something that has been written or printed, or that has been stored on a …

They allow users to manage their preferences and consent, access their personal data, and request data deletion.

Define deletion. deletion synonyms, deletion pronunciation, deletion translation, English dictionary definition of deletion. n. 1. The act of deleting; removal by striking out. 2. Material, such as a …

deletion, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

2 days ago · A deletion, as related to genomics, is a type of mutation that involves the loss of one or more nucleotides from a segment of DNA. A deletion can involve the loss of any number of …

Nov 1, 2025 · deletion (countable and uncountable, plural deletions) The act of deleting. [c. 1600[1]] hyponym . The file contained errors that required deletion. (genetics) A mutation in …

Deletion generally refers to the action of removing or erasing something. It can be used in various contexts such as removing data from a computer, eliminating a section of text from written …