This is the 146th most frequent Spanish word.
investigación
Investigation or research.
The word "investigación" here refers to "research," indicating the systematic pursuit of knowledge in scientific fields.
La investigación científica requiere métodos rigurosos.
Scientific research requires rigorous methods.
In this context, "investigación" signifies an investigation or inquiry, focusing on exploring or solving a case.
El detective llevó a cabo una investigación detallada sobre el caso.
The detective conducted a detailed investigation of the case.
Here, "investigación" represents the act of researching or gathering information for academic purposes.