square mile
Học thuậtThân thiện
Definition
Noun: 1. A unit of area measurement: A "square mile" is a unit of area equal to the area of a square with sides each one mile long. It is equivalent to 640 acres or approximately 2.58999 square kilometers.
Usage
- The term "square mile" is used to describe the size of cities, counties, parks, and other large tracts of land.
- It is a standard imperial and US customary unit of area.
Examples
Advanced Usage
- "per square mile": Used to express density (e.g., population density, number of businesses).
- The region has a very low population of just 10 people per square mile.
- In historical contexts, especially in the US, land was often surveyed and sold in units based on the square mile.
Variants and Related Words
- sq mi, mi²: Common abbreviations for "square mile."
- Acre: A smaller unit of area; one square mile contains 640 acres.
- Section: In US land surveying, a "section" is typically one square mile of land.
Synonyms
- Section (in specific US land surveying contexts).
- 640 acres (a direct equivalent measurement).
Related Phrases
- Square kilometer: The metric unit of area; one square mile is approximately equal to 2.59 square kilometers.
- Township: In US surveying, a township is often an area of 36 square miles.
Noun
- an area of 640 acres