The meaning of INSERTION is something that is inserted. How to use insertion in a sentence.

Definition of insertion noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

INSERTION meaning: 1. the act of putting something inside something else, or adding something, especially words to…. Learn more.

graft, splice - A graft is one thing attached to another by insertion or implantation so it becomes part of it; a splice is the joining of two things end-to-end to make a new whole.

Insertion reaction, a chemical reaction in which one chemical entity interposes itself into an existing bond of a second chemical entity (e.g.: A + B–C → B–A–C)

INSERTION definition: the act of inserting. See examples of insertion used in a sentence.

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

Jan 20, 2026 · Noun insertion (countable and uncountable, plural insertions) The act of inserting, or something inserted.

Insertion definition: Something inserted, as an ornamental strip of lace or embroidery inserted between pieces of fabric.

In genetics, an insertion is the addition of one or more nucleotide base pairs into a DNA sequence. This can often happen in microsatellite regions due to the DNA polymerase slipping.