"Propene" Natural Recordings by Native Speakers
Propene, also known as propylene, is an organic chemical compound that is the simplest unsaturated hydrocarbon, having the chemical formula C3H6. It is a colorless, flammable gas with a boiling point of -48.2°C and a melting point of -185.5°C.
Propene is an important building block for the production of various chemicals, including plastics, polymers, and rubbers. It is also used as a fuel and as an intermediate in the production of various other chemicals.
Propene is also known as propylene, propene-1, and methyl ethylene.
To move (something or someone) forward with force or impetus, typically by pushing or imparting motion to it with a propelling force, such as a jet of gas, steam, or water, or an explosive charge or propeller.<br><br>Example sentences:<br> The spacecraft used its rocket to propelling upward into orbit.<br> The propelling force of the engine made the car accelerate rapidly.<br> The propelling device used to launch the golf ball into the air.
The noun "propensity" refers to a natural or habitual tendency or inclination towards something, often used to describe a characteristic or attitude that is typical of a person, a group, or a situation.<br><br>Example sentences:<br><br> She has a propensity for sarcasm, often making witty remarks at social gatherings.<br> The company has a propensity for innovation, investing in new technologies and ideas.<br> He has a propensity for taking risks and trying new things.<br><br>In positive contexts, propensity can imply a talent or aptitude for something, while in negative contexts, it can suggest a tendency towards a bad habit or behavior.<br><br>Synonyms for propensity include: inclination, tendency, predisposition, bent, and bias.
Pepsin is a digestive enzyme found in the stomach lining, but it starts as propepsin in the chief cells of the stomach. Propepsin is a zymogen, an inactive precursor enzyme that is converted into pepsin by the enzyme pepsinogen activator.