non-invasive

non-invasive — adjective

1. describes medical examinations, tests, or treatments that are performed without

1.形容詞B2
釋義

describes medical examinations, tests, or treatments that are performed without making cuts in the skin or going into a body space — for example, ultrasound scans or blood pressure checks.

例句

Aoi's doctor recommended a non-invasive ultrasound instead of surgery.

contrast: non-invasive vs traditional surgery

The hospital now offers non-invasive blood glucose monitors for diabetic patients.

collocation: non-invasive monitor / device

同義詞
  • minimally invasive

    implies a small incision or entry point, so not exactly the same — non-invasive means no entry at all

  • external

    broader term; can describe any procedure done from outside the body, not specifically medical

反義詞
  • invasive

    the direct opposite — involves cutting or entering body spaces

  • surgical

    more specific than invasive; implies an operation with an incision

文法句型

non-invasive + noun (procedure, test, treatment, scan, technique)

be + non-invasive

用法筆記

Frequently used attributively before nouns describing medical procedures. The opposite term is 'invasive'. This word describes procedures themselves, not disease characteristics — a 'non-invasive cancer' meaning one that has not spread is a different, rarer sense.

常見錯誤

❌The cancer is non-invasive, so it is easy to treat.
✅The cancer has not spread, so it is easy to treat.
💡'Non-invasive' in everyday medical use describes procedures, not the behaviour of a disease.