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.
T he Par t i ci pl e P hr as e. Recognize a participle phrase when you see one. A participle phrase will begin with a present or past participle. If the participle is present, it will dependably end in ing. Likewise, a regular past participle will end in a. consistent ed. Irregular past participles, unfortunately, conclude in all kinds of ways. [Check a dictionary for help].