insertion

noun

in·​ser·​tion in-ˈsər-shən 

1

: something that is inserted: such as

a

: the part of a muscle that inserts

b

: the mode or place of attachment of an organ or part

c

: embroidery or needlework inserted as ornament between two pieces of fabric

d

: a section of genetic material that is inserted into an existing gene sequence

2

a

: the act or process of inserting

b

: the mutational process producing a genetic insertion

insertional

in-ˈsər-sh(ə-)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.

Recent Examples on the Web

Second, in the case of Ukraine, Carlson’s influence is Inception-like in its seamless insertion of fantasy into what is now certain to be a frequent topic, a distortion certain to be echoed at town halls and on debate stages to hound anyone who has advocated support for Ukraine. —Ana Marie Cox, The New Republic, 18 July 2023

Though a few deaths have occurred nationwide in this age group, Laub said Rady has been able to prevent that outcome locally, though doing so often requires invasive methods such as the insertion of breathing tubes in very young airways. —Paul Sisson, San Diego Union-Tribune, 16 July 2023

Guyer, spurred by a quarterback change and the insertion of Schneider, held the ball for 14 plays on the drive. —Randy Jennings, Dallas News, 9 Sep. 2023

This is Your Migraine in 2 Minutes The worst part was, obviously, insertion. —Ariana Yaptangco, Glamour, 31 July 2023

Newsom’s insertion into an issue at a school board that oversees about 28,000 students has drawn criticism from Republicans as well as some local officials who agree with California’s textbook laws but believe the state is overstepping. —Mackenzie Mays, Los Angeles Times, 20 July 2023

But since his insertion into the Rangers’ rotation, Dunning has been nothing short of invaluable. —Shawn McFarland, Dallas News, 29 June 2023

The earplugs have a stem on the end that makes insertion and removal a breeze. —Sherri Gordon, Verywell Health, 14 June 2023

That model also includes Dolby Vision, Dolby Atmos, and frame insertion for smoother motion clarity. —Chris Welch, The Verge, 15 May 2023

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Word History

First Known Use

1539, in the meaning defined at sense 1

Kids Definition

insertion

noun

in·​ser·​tion in-ˈsər-shən 

1

: the act or process of inserting

2

a

: something inserted

b

: the part of a muscle that is attached to a part to be moved

3

: the mode or place of attachment of an organ or part

Medical Definition

insertion

noun

in·​ser·​tion in-ˈsər-shən 

1

: the part of a muscle by which it is attached to the part to be moved compare origin sense 2

2

: the mode or place of attachment of an organ or part

3

a

: a section of genetic material inserted into an existing gene sequence

b

: the mutational process producing a genetic insertion

insertional

-shnəl, -shən-ᵊl 

adjective