This is the 12330th most frequent Spanish word.
lingüística
The scientific study of language and its structure.
In this sentence, 'lingüística' is used in its general academic meaning, referring to the field of study that examines and analyzes language as a system.
La lingüística estudia los elementos del lenguaje humano.
Linguistics studies the elements of human language.
Here, 'lingüística' is part of the term 'lingüística aplicada', which specifies a subfield of linguistics focusing on practical applications, such as education and translation.
Estoy interesado en la lingüística aplicada, especialmente en la enseñanza de idiomas.
I am interested in applied linguistics, especially in language teaching.
In this sentence, 'lingüística' refers to the topic or theme around which the conference is organized, again denoting the field or study of language.