The stere or stère is a unit of volume in the original metric system equal to one cubic metre. The name was coined from the Greek στερεός stereos, "solid", in 1793 France as a metric analogue to the cord. The stère is typically used for measuring large quantities of firewood or other cut wood, while the cubic meter is used for uncut wood. It is not part of the modern metric system (SI).
In Dutch, there is also a kuub, short for kubieke meter which differs from a stere. Whereas a "kuub" is a solid cubic metre, as it was traditionally used for wood, a stère is a cubic metre pile of woodblocks. A stère is less than a kuub or full cubic metre of wood, because the spaces between the woodblocks are included in a stère, while they do not count towards a kuub. In Finnish, the same unit is known as motti (from Swedish mått, "measure").
Note that the stère as used in contexts outside the timber industry is not subject to the same ambiguity. In particular, stère and kilostère are sometimes used in hydrology, as the kilostere (1000 m3) is a slightly smaller metric analog of an acre-foot (≈ 1233 m3), similar to the relationship of the tonne and (short) ton.
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