"Poltroons" Natural Recordings by Native Speakers
Poltroons refers to cowardly or deceitful people, typically men, who engage in shameful or disreputable behavior. They are found to be dishonest and lacking in courage or honor.
I couldn't find any definition for the word "polron" in popular dictionaries. It's possible that it's a proper noun, a brand name, or a word from a specific dialect or language that I'm not familiar with. Can you provide more context or information about where you encountered this word?
Polyacetylene is a family of polymers with the chemical formula (C2H2)x, consisting of a chain of alternating double bonds between carbon atoms. It is a hydrocarbon polymer formed from the monomer acetylene (C2H2).The term "polyacetylene" refers to a class of polymers that have a repeating unit of CHCH in their backbone structure, which are formed by the copolymerization of acetylene. Polyacetylene is a semi-conductive polymer and has potential applications in the field of electronics and photonics.There are two primary forms of polyacetylene: cis-polyacetylene and trans-polyacetylene, which differ in the orientation of the double bonds along the polymer chain.