| Noun | 1. | length - the linear extent in space from one end to the other; the longest horizontal dimension of something that is fixed in place; "the length of the table was 5 feet"dimension - the magnitude of something in a particular direction (especially length or width or height) diam, diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumference radius, r - the length of a line segment between the center and circumference of a circle or sphere shortness - the property of being of short spatial extent | |
| 2. | length - continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"endlessness - the property of being (or seeming to be) without end shortness - the property of being of short temporal extent | |
| 3. | length - the property of being the extent of something from beginning to end; "the editor limited the length of my article to 500 words"extent - the distance or area or volume over which something extends; "the vast extent of the desert"; "an orchard of considerable extent" | |
| 4. | length - size of the gap between two places; "the distance from New York to Chicago"; "he determined the length of the shortest line segment joining the two points"leg - (nautical) the distance traveled by a sailing vessel on a single tack size - the physical magnitude of something (how big it is); "a wolf is about the size of a large dog" gauge - the distance between the rails of a railway or between the wheels of a train light time - distance measured in terms of the speed of light (or radio waves); "the light time from Jupiter to the sun is approximately 43 minutes" skip distance - the shortest distance that permits radio signals (of a given frequency) to travel from the transmitter to the receiver by reflection from the ionosphere wingspread - distance between the tips of the wings (as of a bird or insect) when fully extended altitude - the perpendicular distance from the base of a geometric figure to opposite vertex (or side if parallel) | |
| 5. | length - a section of something that is long and narrow; "a length of timber"; "a length of tubing"segment, section - one of several parts or pieces that fit with others to constitute a whole object; "a section of a fishing rod"; "metal sections were used below ground"; "finished the final segment of the road" | |