Investigation
/ˌɪˌnvɛstəˈɡeɪʃən/
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Definition
(noun) The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination
Sentence Examples
The students assisted the professor in the investigation.
The investigation is under way.
CEFR Practice Quiz
A thorough ____ of the crime scene allowed the detectives to find several important pieces of evidence.