Definition of insertion
1 : something that is inserted: such asa : the part of a muscle that insertsb : the mode or place of attachment of an organ or partc : embroidery or needlework inserted as ornament between two pieces of fabricd : a section of genetic material that is inserted into an existing gene sequence
2a : the act or process of insertingb : the mutational process producing a genetic insertion
insertionalplay \in-ˈsər-shnəl, -shə-nəl\ adjective
Examples of insertion in a sentence
Treatment may include the insertion of a tube in his ear.
The report contains a number of insertions.
First Known Use of insertion
INSERTION Defined for English Language Learners
Definition of insertion for English Language Learners
: the act or process of putting something into something else : the act or process of inserting something
: something (such as a comment) that is added to a piece of writing : something that is inserted
INSERTION Defined for Kids
Medical Definition of insertion
insertional\-shnəl, -shən-əl\play adjective
Seen and Heard
What made you want to look up insertion? Please tell us where you read or heard it (including the quote, if possible).