All definitions are approved by humans before publishing. Find more ways to say combustion, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Learn more. 2 people chose this as the best definition of combustion: The process of burning.... See the dictionary meaning, pronunciation, and sentence examples. How to use precombustion in a sentence. Combustion is the scientific word for burning. Combustion efficiency is a measure of how efficiently a device consumes fuel. combustion - The process of burning something. Another definition, used by Gas Processors Suppliers Association (GPSA) and originally used by API (data collected for API research project 44), is the enthalpy of all combustion products minus the enthalpy of the fuel at the reference temperature (API research project 44 used 25 °C. Combustion or burning is a complex sequence of chemical reactions between a fuel and an oxidant accompanied by the production of heat or both … ‘a large combustion plant’ ‘Although greenhouse gases come from many sources, fossil fuel combustion is the prime human-induced source.’ ‘Twenty-five percent of total worldwide emissions come from fossil fuel combustion.’ Combustion - a state of violent disturbance and excitement; combustion grew until revolt was unavoidable Heat and light energy then result in the flame.So, the formula for Combustion reaction is Hydrobcarbon + Oxygen = Heat energy. In a combustion reaction, a substance reacts with oxygen from the air. Combustion means "the act of burning," like the combustion of fallen leaves that, if not extinguished immediately, can result in a forest fire. In practice, this level of efficiency is impossible to achieve, but it's possible to come close. Ideally, it would be measured at 100%, meaning that the fuel was completely consumed. The general form of a combustion reaction can be represented by the reaction between a hydrocarbon and oxygen, which yields carbon dioxide and … A combustion reaction is a type of chemical reaction in which a compound and an oxidant are reacted to produce heat and a new product. Precombustion definition is - situated, occurring, or used before engine combustion or the combustion stage of a process. Combustion is a chemical process or a reaction between Fuel (Hydrocarbon) and Oxygen.When fuel and oxygen react it releases the heat and light energy. Another word for combustion. Any promotional content will be deleted. combustion meaning: 1. the process of burning 2. the chemical process in which substances mix with oxygen in the air to….