square metre

M^2 redirects here. For other uses, see M². The square metre (also spelled meter, see spelling differences) is the SI derived unit of area, with symbol m². It is defined as the area of a square whose sides measure exactly one metre. The square metre is derived from the SI base unit of the metre, which in turn is defined as the length of the path travelled by light in absolute vacuum during a time interval of of a second.
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Noun
1. a centare is 1/100th of an are
(synonym) square meter, centare
(hypernym) area unit, square measure

n. ตารางเมตร