Which word in "Although it was raining" functions as a subordinating conjunction?

In the phrase "Although it was raining," the word "although" serves as a subordinating conjunction because it connects a dependent clause to an independent clause. Subordinating conjunctions are used to introduce dependent clauses, signaling that the clause cannot stand alone as a complete sentence. In this case, "Although it was raining" presents a scenario that would typically need additional information to form a complete thought.

The presence of "although" indicates that there is a contrast or exception to be considered, which will be clarified in the context of a larger sentence. Understanding the function of "although" as a subordinating conjunction helps to grasp how it sets up expectations for additional information that helps to elaborate on or clarify the relationship between the ideas presented.