Noun. 1. specific heat-the heat required to raise the temperature of one gram of a substance one degree centigrade. heat, heat energy-a form of energy that is transferred by a difference in temperature. 1  Facebook.
You begin to depreciate your property when you place it in service for use in your trade or business or for the production of income. You stop depreciating property either when you have fully recovered your cost or other basis or when you retire it from service, whichever happens first.
Even if the requirements explained in the preceding discussions are met, you cannot depreciate the following property. 1  Property placed in service and disposed of in the same year. Determining when property is placed in service is explained later. 2  Equipment used to build capital improvements.