Insertion
/ˌɪˈnsɜrʃən/
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Definition
(noun) The act of inserting, or something inserted.
Sentence Examples
If the plug gets dirty, wipe it off with a dry cloth before insertion.
The sternocleidomastoid is used as a landmark for insertion of a central venous catheter.
CEFR Practice Quiz
The careful ____ of the tiny needle was essential for the success of the delicate eye surgery.