correctness or precision to make something to start working the process of changing 12-18 years old the breadth, width or largeness of something; in electronics: the maximum deviation of an alternating current from its average value. objects or people put into categories with shared characteristics. usually similar to the outer part of an organ or structure to change a message or information into code to make easier concerning grammatical rules the rate that something happens bringing about, or causing a document, a piece of writing a group of signs and symptoms that accompany a disease a level or point at which something would start or stop happening the path followed by an object moving through space something that is said the words that a person knows