The longer or longest dimension of an object c: the quality or state of being long. Length is a measure of one dimension, whereas area is a measure of two dimensions (length squared) and volume is a measure of three dimensions (length cubed).
Full Definition of LENGTH. 1. a: the longer or longest dimension of an object c: the quality or state of being long. 2. a: duration or extent in time b: relative duration or stress of a sound. Examples of LENGTH. 1  The length of the table is six feet, and its width is three feet. 2  These pins are available in one-and two-inch lengths. 3  The adult animals reach a maximum length of two meters. 4  Your essay should be no more than 250 words in length. 5  the length of a movie. 6  They were two car lengths behind us. Definition of LENGTH for Kids. 1. : the measured distance from one end to the other of the longer or longest side of an object. 2. 3. 4. 5. 6. : the sound of a vowel or syllable as it is affected by the time needed to pronounce it. — at length. Examples of LENGTH. 1  The length of the table is six feet, and its width is three feet. 2  These pins are available in one-and two-inch lengths. 3  The adult animals reach a maximum length of two meters. 4  Your essay should be no more than 250 words in length. 5  the length of a movie. 6  They were two car lengths behind us. 1 The length of the table is six feet, and its width is three feet. 2  These pins are available in one-and two-inch lengths. 3  The adult animals reach a maximum length of two meters. 4  Your essay should be no more than 250 words in length. Examples of LENGTH. 1  The length of the table is six feet, and its width is three feet. 2  These pins are available in one-and two-inch lengths. 3  The adult animals reach a maximum length of two meters. 4  Your essay should be no more than 250 words in length. 5  the length of a movie. 6  They were two car lengths behind us. For example, it is possible to cut a length of a wire which is shorter than wire thickness. Length may be distinguished from height, which is vertical extent, and width or breadth, which are the distance from side to side, measuring across the object at right angles to the length. Length is a measure of one dimension, whereas area is a measure of two dimensions (length squared) and volume is a measure of three dimensions (length cubed). In most systems of measurement, the unit of length is a base unit, from which other units are defined The length of this ruler is twelve inches. The length of this ruler is twelve inches. The definition of length is how long something is, or the amount of vertical space or time it takes up. 1  An example of length is two hours for a movie. 2  An example of length is 12 inches.  Distance. How far from end to end. Or from one point to another. Example: the length of this guitar is about 1 meter. length. 1. the longest extent of anything as measured from end to end: the length of a river. 2. the measure of the greatest dimension of a plane or solid figure. 3. extent from beginning to end of a series, enumeration, account, book, etc.: a report 300 pages in length. 1. length-the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; the length of the table was 5 feet. physical property-any property used to characterize matter and energy and their interactions.
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length definition