Etymology
The word "plastic" is derived from the Greek word "plastikos," which means "capable of being molded" or "capable of being shaped." The word was first used in English in the 15th century to describe the art of sculpting. In the 19th century, the word began to be used to refer to synthetic materials that could be molded into different shapes.
Meaning
Plastic is a synthetic material that is made from a polymer. Polymers are long chains of molecules that are made up of repeating units. The repeating units in plastic are typically composed of carbon, hydrogen, and oxygen atoms. Plastic is a versatile material that can be used for a wide variety of applications, including packaging, construction, and manufacturing.
Origin
The first plastic was invented in 1869 by John Wesley Hyatt. Hyatt was experimenting with a process for making ivory substitutes from cellulose nitrate. He discovered that he could create a moldable material by mixing cellulose nitrate with camphor. This material, which was called Celluloid, was the first commercially successful plastic.
Since the invention of Celluloid, many other types of plastic have been developed. Some of the most common types of plastic include polyethylene, polypropylene, polyvinyl chloride, and polystyrene. These plastics are used in a wide variety of applications, including packaging, construction, and manufacturing.
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