rhizoverbBeta
DictionaryinsertionPutting something in
noun

insertion

in-SUR-shun/ɪnˈsɜːrʃn/

The act of putting something into something else, or the thing put in.

The envelope's insertion into the mailbox begins as it passes through the slot.

A woman pushes a plain envelope halfway into the narrow slot of a simple mailbox, clearly showing one object entering another.
Etymology
inLatinin, into
+sertLatinto join, arrange
+ionLatinact or process

The combination of “in” and “join” produced a verb meaning “to graft or implant.” Insertion names that act of placing something within something else.

In context

National Academies - Earth and Life Studies37:12
CO2 is actually inserting into the metal-amine bonds. And when you do that insertion, uh you transfer a proton
The Advances in the Chemistry of CO2 Capture Webinar

More examples

  • The editor marks two insertions in the revised draft.
  • A local anesthetic numbs the area before insertion of the needle.
  • The final paragraph is a last-minute insertion.

Forms

insertion · insertions

insert verb — To put something into something else.

Similar words

placement
Means positioning something, not necessarily putting it inside something.
addition
Emphasizes adding something extra rather than putting something inside.