"Pentagons" Natural Recordings by Native Speakers
Pentagons are five-sided geometrical shapes with five points and five edges. They are a type of polygon and have several unique properties, such as the fact that all of their internal angles add up to 540 degrees. Pentagons are also used in various mathematical and architectural contexts, including in the design of buildings, bridges, and other structures. Additionally, Pentagon is also a term used to refer to the headquarters of the United States Department of Defense, located in Washington D.C.
Pentadelphous refers to something that has five sisters. In botany, it specifically describes a type of plant that grows among its five leaflets or branches, which resemble sisters.
Pentaerythritol is a type of chemical compound with the chemical formula C5H12O4. It is a white, crystalline solid that is commonly used as a raw material in the production of various products such as coatings, adhesives, and plastics. It is also used as a stabilizer and anti-foaming agent in the manufacturing of detergents and cosmetics.
Pentafluoroethane is a colourless gas that is used as a propellant in aerosol dispensers, foam products, and refrigerant. It is a halogenated hydrocarbon, and its molecular formula is CF3CH3. Pentafluoroethane is also known as HFC-125, and it is a greenhouse gas with a global warming potential approximately 2,000 times higher than that of carbon dioxide.
Pentagonoid refers to something that is resembling or similar to a pentagon, which is a five-sided polygon. In general, pentagonoid shapes have five sides, but the angles or dimensions may be slightly different from a traditional pentagon. The term can be used to describe a wide range of structures, from geometric shapes to organisms and even buildings.
The adjective "pentagonous" refers to something that has a five-sided shape or structure.