This is the 8720th most frequent Spanish word.
sinfónica
"Relating to or characteristic of a symphony or symphony orchestra."
In this sentence, 'sinfónicas' is the plural form of the adjective, modifying 'obras' (works), indicating that the works are of the symphonic genre.
Las obras sinfónicas suelen incluir instrumentos de viento y cuerda.
Symphonic works often include wind and string instruments.
Here, 'sinfónica' functions as a noun, shorthand for 'orquesta sinfónica', referring to the symphony orchestra.
Estudiamos cómo se organiza una sinfónica en clase de música.
We study how a symphonic orchestra is organized in music class.
Here, 'sinfónica' is used as an adjective describing the orchestra, indicating its type or style of music performance.