What does investigation mean in English?

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investigation Meaning, Definition, Pronunciation, Grammar & Synonyms❤️

0 the act or process of examining a crime, problem, statement, etc. carefully, especially to discover the truth:
- An investigation has been under way for several days into the disappearance of a 13-year-old boy.
- a full/thorough investigation of the incident
- Currently, the individuals who might have caused the accident are subject to/under investigation.
1 the act of examining something carefully, esp. to discover the truth about it:
- [ C ] a criminal investigation
- [ U ] The cause of the fire is under investigation (= is being examined).
2 the careful examination of a crime, problem, statement, etc., especially to discover the truth:
- an investigation into sth An investigation into possible insider dealing has been begun by the stock exchange.
- the investigation of sth The investigation of the theft of a state data backup device last month continues.
- The Financial Services Authority launched an investigation.
- criminal/civil/internal investigation
- be under investigation (for sth) Several companies are under investigation for fraud.
- The Justice Department is conducting investigations of alleged price-fixing at the company.
- continuing/ongoing investigation

The bank conducted its own internal investigation into the robbery.
A lengthy police investigation failed to produce any evidence on which the suspect could be convicted.
There will be a full investigation to work out what caused the accident.
Both companies are under investigation for corrupt practices.
They decided to reopen the investigation when some new evidence emerged.
This study was part of a larger qualitative investigation of older women, physical activity and health.
Further investigation is required, because the issues are too important for simply assuming that persistence and intractability necessarily imply an organic genesis.
Many students in my class were inspired by these readings to carry on further investigations, finding more data and phonetic support for the phonological claims.