A diglyceride or triglyceride that contains more than one type of fatty acid connected to glycerol via an ester linkage. Natural oils and fats usually contain several different mixed glycerides. MSG is monosodium glutamate , used as a flavor enhancer in many foods. A mixture of methane and other gases, found trapped over petroleum deposits under the earth. Compare with temporary hardness and water hardness .
Chlorides also contribute to permanent hardness.
A mixture of fuel and oxidizing agent that reacts to produce a high-energy stream of product gases that can produce thrust. A compressed gas used to push a material through a nozzle, forming an aerosol or a foam . Compare with unsaturated fat . A lipid that contains no carbon-carbon double bonds. Animal fats like butter and lard are composed of saturated fat.