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 verb that ends in -ing (present participle) or -ed, -d, -t, -en, -n (past participle). Participles may function as adjectives, describing or modifying nouns. The dancing parrots entertained the crowd. The wrecked sailboat washed up on shore. But participles have another function. When used with helping verbs such as to be and to have, they are action verbs and form several verb tenses. She is thinking of the children.