square metre
Học thuậtThân thiện
Definition
- Noun:
- A unit of area: A square metre is a metric unit of area equal to the area of a square with sides each one metre long. It is the base unit of area in the International System of Units (SI).
Usage
- The term "square metre" is used to measure area, such as the size of a room, a piece of land, or a surface.
- It is often abbreviated as m².
- It is a standard unit in science, engineering, construction, and real estate.
Examples
- Noun:
- The area of the classroom is approximately fifty square metres.
- Carpet is typically sold by the square metre.
- One square metre is equal to 10,000 square centimetres.
Advanced Usage
- "Per square metre": Used to express a rate or density over a unit area.
- The cost of the flooring is $30 per square metre.
- The population density is 100 people per square metre in the crowded plaza.
Variants and Related Words
- Centare (n): A synonym for square metre, equal to 1/100th of an are.
- A centare is another term for one square metre.
- Square centimetre (n): A smaller unit of area, where 10,000 square centimetres equal one square metre.
- Hectare (n): A larger unit of area, equal to 10,000 square metres.
Synonyms
- Centare: A direct synonym, though less commonly used.
- Metre squared: An informal equivalent phrase.
Notes
- The spelling "square metre" is used in International English and countries using the metric system. In American English, it is often spelled "square meter".
- It is a compound noun formed from "square" (indicating a two-dimensional measure) and "metre" (the unit of length).
Noun
- a centare is 1/100th of an are