A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic, most commonly derived from petrochemicals, but many are partially natural.
Read more about Plastic: Composition, Classification, History, Properties of Plastics, Toxicity, Environmental Issues, Common Plastics and Uses, Special Purpose Plastics, Etymology
Famous quotes containing the word plastic:
“On leaf of palm, on sedge-wrought roll;
On plastic clay and leathern scroll,
Man wrote his thoughts; the ages passed,
And lo! the Press was found at last!”
—John Greenleaf Whittier (1807–1892)
“The plastic virtues: purity, unity, and truth, keep nature in subjection.”
—Guillaume Apollinaire (1880–1918)
“What a wonderful faculty is memory!—the most mysterious and inexplicable in the great riddle of life; that plastic tablet on which the Almighty registers with unerring fidelity the records of being, making it the depository of all our words, thoughts and deeds—this faithful witness against us for good or evil.”
—Susanna Moodie (1803–1885)