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.
A participle is a form of a verb. English has two types of participle: present participles and past participles. Present participles are easy to identify: they end in âing.