one thousand million cubic feetTmcft, (Tmc ft), (TMC), (tmc), is the abbreviation of one thousand million cubic feet (1,000,000,000 = 109 = 1 billion), commonly used in India in reference to volume of water in a reservoir or river flow. Banerjee's party, the Trinamool Congress (TMC), is only 13 years old. To Whom So Ever It May Concern; TMC or more popularly known as To Whom So Ever It May Concern, is an acronym founded by two engineering students in. TMC may stand for: Contents. Looking for the definition of TMC? Find out what is the full meaning of TMC on Abbreviations.