It is, in fact, steamed by the vaporization of its own water.
"Peat and its Uses as Fertilizer and Fuel"
Samuel William Johnson
Latent or habitual thirst, is the insensible equilibrium established between transpiratory vaporization and the necessity of supplying what is lost.
"The Physiology of Taste"
Brillat Savarin
When once the wood has been raised to a high temperature through and through and especially when the surface has been rendered most permeable to moisture, drying may proceed as rapidly as it can be forced by artificial circulation, provided the heat lost from the wood through vaporization is constantly replaced by the heat of the kiln.
"Seasoning of Wood"
Joseph B. Wagner