a word that introduces an adverb clause
a word which joins together a dependent clause and an independent clause
a subordinating conjunction is used to join a subordinate clause to a main clause. Some subordinating conjunctions are: although, as, before, if, since, than, though, unless, where...
ubordinating conjunctions introduce SUBORDINATE CLAUSES. Examples include: although, because, if , since, when, while, etc. Also known as a SUBORDINATOR. See also