"Propylene" Natural Recordings by Native Speakers
Propylene is a chemical compound with the formula C3H6. It is a colorless, flammable gas with a refrigerant and anesthetic properties. It is a byproduct of the cracking of petroleum and is used in the production of various chemicals, plastics, and resins, such as polypropylene.
Here are 5 usage examples of the word "propylene":
Forced; compulsory.<br><br>Example: "Propulsory voting means that every citizen is required to vote, either in person or by mail."
A chemical suffix.<br><br>A propyl group is a functional group or a radical in organic chemistry, denoted by the chemical formula CH₃CH₂CH₂.<br><br>In the context of organic chemistry, the prefix "propyl" is used to describe a three-carbon unit or radical.
The Propylaia (Greek: Π秫γυλία, Propul(o)yali\a) was a grand entrance building in the sacred precinct of the Acropolis in Athens, Greece. It served as the main gate to the Acropolis and was built around 437 BC during the Golden Age of Pericles, designed by the famous Greek architect Mnesikles.<br><br>Physically, the Propylaia resembled a large temple, built in the Ionic style and decorated with numerous architectural ornaments, including friezes, friezes with mythological scenes, and carved pediments. The building had five Doric columns on each of its long sides and a forecourt in the front. The main entrance hall was preceded by an inner propylon.<br><br>The Propylaia is notable for its unique architectural style, which harmoniously blends Ionic and Doric orders, demonstrating Mnesikles' skills and flair.