calorific value
Noun
Meaning
The amount of energy produced by the complete combustion of a material or fuel. Measured in units of energy per amount of material, e.g. kJ/kg.
The amount of energy available from an item of food when digested, mostly from carbohydrates and fats
Source: en.wiktionary.orgSynonyms
Examples
As an energy source for chicks it has several advantages over undigested prey, its calorific value is around 9.6 kcal per gram, which is only slightly lower than the value for diesel oil.
Because some materials have both useful mineral content and recoverable calorific value, the distinction between alternative fuels and raw materials is not always clear.
Prosopis cineraria wood is reported to contain high calorific value and provide high quality fuel wood.