Length and width of table top. a piece of something…. The meaning of LENGTH is the longer or longest dimension of an object. LENGTH definition: 1. the measurement of something from end to end or along its longest side: 2. In two-dimensional (2D) shapes, only length and width are used, while three-dimensional (3D) shapes include height as well. Learn more. Jul 23, 2025 · Length, width, and height are the three main dimensions of a shape. Length is the measurement that describes how long an object is. Jul 23, 2025 · Length, width, and height are the three main dimensions of a shape. It is the distance from end to end. Length is the longest side, width is the shorter side, and height is the vertical distance. Length definition: the longest extent of anything as measured from end to end. . See examples of LENGTH used in a sentence. Learn the units and methods for measuring length in detail! The length of an event, activity, or situation is the period of time from beginning to end for which something lasts or during which something happens. How to use length in a sentence. Length is the measure of one spatial dimension, whereas area is a measure of two dimensions (length squared) and volume is a measure of three dimensions (length cubed). jecbm jnpt z93bd sgsc w7 d3egw 0ybk fcfo wh6 q8rte