compound sentence
compound sentence (oración compuesta)
a sentence made of two independent clauses joined by a comma and a joining word, or by a semicolon.
Example
The bus was late, so I walked. (Two complete thoughts joined by , so.)
In Spanish
compound sentence (oración compuesta) — una oración formada por dos cláusulas independientes unidas con una coma y una conjunción, o con punto y coma.
The bus was late, so I walked. (Dos ideas completas unidas con , so.)