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).

A unit of length refers to any arbitrarily chosen and accepted reference standard for measurement of length. The most common units in modern use are the metric units, used in every country …

To help compare different orders of magnitude, the following list describes various lengths between meters and meters. Planck length; typical scale of hypothetical loop quantum gravity …

Length is a measurement. The length of something is the distance between two ends of the thing. Short means a small length. Long means much length. Short and long are opposites. For two …

The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path …

Length measurement, distance measurement, or range measurement (ranging) all refer to the many ways in which length, distance, or range can be measured. The most commonly used …

Wikimedia Commons has media related to Length. This category has the following 8 subcategories, out of 8 total. The following 34 pages are in this category, out of 34 total. This …

Length in its basic meaning is the long dimension of an object. Arc length, the distance between two points along a section of a curve. Length of a sequence or tuple, the number of terms. …

Apr 8, 2025 · length (countable and uncountable, plural lengths) The distance measured along the longest dimension of an object. Duration. Happiness makes up in height for what it lacks in …

打印时超过一或两页的文章应分为若干部分，這樣才方便浏览（见 Wikipedia:格式手册 和 Wikipedia:格式手冊/版面佈局）。 对于大多数长篇条目来说，分节是很自然的事，適當的章節 …