Word
midline
Phoneticsmid·line, stress on the first syllable
US/ˈmɪdˌɫaɪn/
UK/mˈɪdlaɪn/
Countable noun
Definition
n. an imaginary line down the middle of your body or an object, dividing left from right. Doctors use it to describe where something is.
n. an imaginary line dividing a body or structure into left and right halves, used as a reference for anatomical position.
Examples
“The scar runs along the midline of his chest.”
“The surgeon makes the first cut along the abdominal midline to reach the organs safely.”
“Anatomists describe the spine as lying close to the dorsal midline, a reference that helps map symmetry across muscles, nerves, and vessels on either side.”
Examples
simple
“The scar runs along the midline of his chest.”
contextual
“The surgeon makes the first cut along the abdominal midline to reach the organs safely.”
complex
“Anatomists describe the spine as lying close to the dorsal midline, a reference that helps map symmetry across muscles, nerves, and vessels on either side.”
Collocations
Common phrases and expressions where native English speakers use the word “midline” in context.
Verb
01. approach midline
“The surgeon cut carefully to approach midline without damaging tissue.”
verb + noun
02. cross midline
“Nerve fibres cross midline to control the opposite side of the body.”
verb + noun
03. mark midline
“The nurse used a pen to mark midline on the patient's back.”
verb + noun
04. midline divides
“The midline divides the body into equal left and right halves.”
noun + verb
Adjective
05. abdominal midline
“The scar runs down the abdominal midline after surgery.”
adj + noun
06. central midline
“Keep your hands on the central midline of the chest during CPR.”
adj + noun
07. exact midline
“The surgeon marked the exact midline before making the incision.”
adj + noun
Noun
08. deviation from midline
“Any deviation from midline may suggest injury or swelling.”
noun + prep + noun
09. along the midline
“The physiotherapist pressed gently along the midline of the back.”
10. cross the midline
“In this exercise, try not to let your arms cross the midline.”
11. incision along the midline
“Surgeons often make an incision along the midline for better access.”
12. just off the midline
“The pain is just off the midline in the lower back.”
Etymology
From mid- + line.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domains
- 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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Occasional
- Level
- B2 · Upper Intermediate
- Updated
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