Quick Answer. RPM is the acronym used for revolutions per minute. It measures the number of revolutions completed in one minute around a fixed axis, giving the speed of a mechanical component. It is commonly used to describe the performance of automobile engines.
Definition. A participial phrase is a word group consisting of a present participle (also known as an-ing form) or past participle (also known as an-en form), plus any modifiers, objects, and complements. A participial phrase commonly functions as an adjective.See Examples and Observations below.efinition. A participial phrase is a word group consisting of a present participle (also known as an-ing form) or past participle (also known as an-en form), plus any modifiers, objects, and complements. A participial phrase commonly functions as an adjective. See Examples and Observations below.
Dangling participles should not be confused with clauses in absolute constructions, which are considered grammatical. Because the participle phrase in an absolute construction is not semantically attached to any single element in the sentence, it is easily confused with a dangling participle. The difference is that a participle phrase is intended to modify a particular noun or pronoun, but is instead erroneously attached to a different noun, whereas as an absolute clause is not intended to modify any noun at all.