Dec 6, 2016 · 1 : the absence of a section of genetic material from a gene or chromosome 2 : the mutational process that results in a deletion

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.

deletion (to something) the act of removing something that has been written or printed, or that has been stored on a computer; something that has been removed. He made several deletions to …

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 …

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

In genetics, a deletion (also called gene deletion, deficiency, or deletion mutation) (sign: Δ) is a mutation (a genetic aberration) in which a part of a chromosome or a sequence of DNA is left …

3 meanings: 1. the act of deleting or fact of being deleted 2. a deleted passage, word, etc, in text 3. the loss or absence of.... Click for more definitions.

Factsheet What does the noun deletion mean? There are seven meanings listed in OED's entry for the noun deletion. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

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 …

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 …