Word
insertion
Phoneticsin·ser·tion, stress on the second syllable
US/ˌɪnˈsɝʃən/
UK/ɪnsˈɜːʃən/
Definitions
01putting something inside
B2 · Upper Intermediate Uncountable noun
n. the act of putting something into a hole, space, or another object.
n. the act of placing or introducing one thing into another.
日本語:挿入※
“The insertion of the key into the lock was difficult because the metal was rusty.”
“The surgeon performed the insertion of the catheter with great precision to avoid damaging the surrounding tissue.”
Usage
Often used with the preposition 'of' for the object and 'into' for the destination.
Synonyms
Antonyms
02added text or material
C1 · Advanced Countable noun Formal
n. something that has been added to a book, document, or piece of clothing.
n. a piece of material or text that is added or integrated into an existing structure.
“The editor suggested the insertion of a new paragraph to explain the character's history.”
“The manuscript contained several late insertions that were written in the margins by a different author.”
Synonyms
03muscle attachment
C2 · Proficiency Countable noun Medicine Technical
n. the point where a muscle attaches to the bone that it moves.
n. the point or mode of attachment of a skeletal muscle to the bone or other body part that it moves.
“The doctor explained that the pain was coming from the muscle's insertion at the elbow.”
“The physical therapist focused on the insertion of the deltoid muscle to determine the cause of the patient's restricted range of motion.”
Usage
In anatomy, the 'insertion' is contrasted with the 'origin', which is the fixed end of the muscle.
Teaching tip
This is a highly specific term for medical or sports science contexts; general learners should use 'attachment point'.
Synonyms
Antonyms
04genetic mutation
C2 · Proficiency Countable noun Science Technical
n. when a new part is added to a piece of DNA by mistake.
n. a type of mutation involving the addition of one or more nucleotide base pairs into a DNA sequence.
“A small insertion in the gene caused the protein to stop working correctly.”
“The researchers identified a chromosomal insertion that appeared to be responsible for the plant's resistance to the virus.”
Antonyms
Collocations
Common phrases and expressions where native English speakers use the word “insertion” in context.
Verb
01. facilitate the insertion of the device
“Applying a small amount of lubricant will facilitate the insertion of the device.”
verb + noun + prep + noun
02. require the insertion of a needle
“The medical procedure will require the insertion of a needle into the patient's arm.”
verb + noun + prep + noun
Adjective
03. manual insertion
“If the automatic feeder fails, the machine allows for manual insertion of the documents.”
adj + noun
04. painless insertion
“The new ultra-thin design ensures a virtually painless insertion for the user.”
adj + noun
05. surgical insertion
“The patient recovered quickly after the surgical insertion of the pacemaker.”
adj + noun
Noun
06. insertion of a catheter
“The nurse explained the steps involved in the insertion of a catheter.”
noun + of + noun
07. insertion of a clause
“The lawyer recommended the insertion of a clause to protect the company's intellectual property.”
noun + of + noun
Preposition
08. upon insertion
“The software should launch automatically upon insertion of the disc into the drive.”
prep + noun
Real-World Examples
“After the successful insertion of a coronary stent, he announced that all dates would be cancelled.” “Each of us likely differs from it at millions of bases in our genome, and most of us probably carry some combinations of insertions, deletions, duplications, and flipped sequences.” Etymology
From insert + -ion.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Frequent
- Level
- C1 · AdvancedOxford
- Updated
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QR code
englishreference.com/q/insertion
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0