investigations
n. countablen. careful and organized searches for facts or the truth about something. You often hear this word when police or scientists are looking for answers.
n. systematic examinations or formal inquiries into a subject, event, or crime to establish facts. Often used in legal, scientific, or journalistic contexts to describe the process of gathering evidence.
The police started several investigations into the theft.
After the chemical spill, the government launched multiple investigations to determine if safety laws were broken.
Preliminary investigations suggest that the structural failure resulted from a combination of substandard materials and extreme weather conditions, though a full report is pending.
Commonly used with the verbs 'conduct', 'launch', or 'carry out'.
The police is doing investigationsThe police are carrying out investigationsLearners often use 'do' instead of the more natural collocations 'conduct' or 'carry out' when referring to formal inquiries.