Ethan Clarke
Plastic is an artificial substance that can be shaped when soft and has many different uses. The word 'plastic' comes from the Ancient Greek πλαστικός (plastikos), meaning capable of being shaped or molded, which itself comes from πλαστός (plastos), meaning molded or formed. The world's first fully synthetic plastic was Bakelite, invented in New York in 1907 by Leo Baekeland, who coined the term plastics. Plastic is often used in agriculture and has various environmental impacts. Plastic can be recycled, burned, or converted into other useful chemicals. The presence of plastics, particularly microplastics, within the food chain is increasing, and the long-term effects of this are not yet fully understood.
| Characteristics | Values |
|---|---|
| Definition | Any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight |
| Synonyms | Pliant, ductile, malleable, adaptable |
| Molecular structure | Many plastics are completely amorphous, meaning they lack a highly ordered molecular structure. Some plastics are partially amorphous and partially crystalline, giving them a melting point and one or more glass transitions. |
| First man-made plastic | Parkesine, invented by Alexander Parkes in 1855 |
| First fully synthetic plastic | Bakelite, invented in New York in 1907 by Leo Baekeland |
| Environmental impact | Plastic is often used in agriculture, and there is more plastic in the soil than in the oceans. The presence of plastic in the environment hurts ecosystems and human health. |
| Adjective usage | "Plastic" can be used as an adjective to describe a person as "fake" or shallow. |
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What You'll Learn
Plastic as a material
Plastic is an artificial substance that can be shaped when soft and has many different uses. The word plastic comes from the Ancient Greek πλαστικός (plastikos), meaning "capable of being shaped or moulded", which itself comes from πλαστός (plastos), meaning "moulded" or "formed". In modern usage, the word plastic most commonly refers to solid synthetic products of petrochemical-derived manufacturing.
The world's first fully synthetic plastic was Bakelite, invented in New York in 1907 by Leo Baekeland, who coined the term "plastics". Dozens of different types of plastics are produced today, such as polyethylene, which is widely used in product packaging, and polyvinyl chloride (PVC), used in construction and pipes due to its strength and durability. Many other types of plastics exist, including crystalline plastics, semi-crystalline plastics, and amorphous plastics, which lack a highly ordered molecular structure.
Plastics are organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight. They can be made into objects, films, or filaments. Plastics are often used in agriculture, and there is more plastic in the soil than in the oceans. Plastic is also commonly used in building materials and consumer goods, such as packaging, pipes, toys, electrical connectors, and coatings for various surfaces.
The presence of plastics, particularly microplastics, within the food chain is increasing, and the long-term effects on the environment, human health, and ecosystems are not yet fully understood. Plastic recycling is one way to reduce the environmental impact of plastic waste, but even the most efficient filtration systems cannot prevent the release of microplastics into wastewater. Other methods of plastic waste disposal include burning plastic in energy recovery facilities or converting it into other useful chemicals for industry.
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Plastic as an adjective
The word "plastic" has a variety of meanings and connotations when used as an adjective. It is derived from the Ancient Greek πλαστικός (plastikos), meaning "capable of being shaped or moulded", which itself comes from πλαστός (plastos), meaning "molded" or "formed".
In its most common usage, "plastic" refers to synthetic materials that can be moulded or shaped when soft and then harden into a fixed form. These materials have a wide range of applications, from consumer goods to building materials. For example, "a sheet of plastic" or "a toy made of plastic".
In colloquial American English, "plastic" is also used to describe someone or something that is "fake", "phony", or "lacking in authenticity". This usage conveys a sense of shallowness or a lack of depth, as in the phrase plastic people, implying individuals who are pretending or living a life that is not genuine.
Additionally, "plastic" can be used to describe something that is flexible, pliable, or adaptable. This usage is often applied to materials or substances that are easily modified or manipulated, such as clay, which is described as a "plastic material".
The word "plastic" also has specific technical meanings in fields like engineering and chemistry. In chemistry, it refers to organic synthetic or processed materials, mainly thermoplastics or thermosetting polymers with high molecular weights. In engineering, it can refer to materials used in construction and manufacturing, such as polyethylene and polyvinyl chloride (PVC).
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Plastic in nature
Plastic is a synthetic resin made from amino compounds. It is a synthetic or semi-synthetic material composed primarily of polymers. Its defining characteristic, plasticity, allows it to be moulded, extruded, or pressed into a diverse range of solid forms. This adaptability, combined with its low weight, durability, flexibility, chemical resistance, low toxicity, and low-cost production, has led to its widespread use around the world.
The first man-made plastic, Parkesine, was invented by Alexander Parkes in 1855 and patented the following year. The world's first fully synthetic plastic was Bakelite, invented in New York in 1907 by Leo Baekeland, who coined the term "plastics". The success and dominance of plastics since the early 20th century have brought major benefits to mankind, from medical devices to light-weight construction materials.
However, plastics are also the basis of widespread environmental concerns due to their slow decomposition rate in natural ecosystems. Plastic pollution is a global problem, with 19-23 million tonnes of plastic waste leaking into aquatic ecosystems and polluting lakes, rivers, and seas every year. There are currently 150 million metric tons of plastic in our oceans, with an additional 8 million metric tons being released each year. Plastic waste impacts ocean wildlife, with sea turtles, seabirds, whales, dolphins, and other marine animals often found dead with stomachs full of plastic or caught in abandoned plastic fishing nets.
To reduce plastic waste, individuals can cut back on single-use plastics, reuse items such as canvas bags or reusable bottles, and recycle plastic materials. While plastic recycling is currently low, with less than 10% of plastic recycled, there is a growing movement towards feedstock recycling, where waste plastic is converted into its starting chemicals to create fresh plastic. Additionally, individuals can demand urgent action from governments and support organizations like WWF, which works to sustain the natural world and address plastic pollution.
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Plastic in food
Plastic is everywhere, from food packaging to water bottles and clothes. It is also commonly used for food storage at home. However, the presence of toxic chemicals in food containers is a growing concern. Research has shown that these chemicals can contaminate food through leaching, especially when exposed to heat or acidic contents. This contamination can have harmful effects on human health, with links to various diseases and health problems.
A study by the Food Packaging Forum in September 2024 found that over 3,600 chemicals leach into consumer products during food manufacturing, processing, packaging, and storage, ultimately ending up in the human body. Seventy-nine of these chemicals are known to cause serious health issues, including cancer, genetic mutations, endocrine and reproductive issues, and more.
Microplastics, tiny particles of plastic less than 5 millimeters long, are another concern. They can shed from larger plastic items and contaminate food, water, and the environment. A 2025 study by CNN found that microplastics shed by food packaging are contaminating our food and drinks. The study highlighted food packaging and processing equipment as significant sources of microplastic contamination in our food and, ultimately, our bodies.
To reduce exposure to microplastics and toxic chemicals, alternatives to plastic food storage are recommended. Glass, stainless steel, and lead-free ceramics are suggested as safer options. These materials do not break down and release chemicals into food, even when exposed to heat or acidic contents.
In addition, it is advised to avoid heating food in plastic containers, even those labeled "microwave-safe." Heating plastic can accelerate its degradation and cause the release of chemicals into food.
The presence of plastic in food is a serious issue, and ongoing research continues to uncover the extent of its impact on human health and the environment.
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Plastic and the environment
Plastic is a synthetic resin made from amino compounds. It is a material that can be moulded into shape and then hardened. It is cheap, strong, light, and versatile.
The world's first fully synthetic plastic was Bakelite, invented in New York in 1907 by Leo Baekeland, who coined the term "plastics". Dozens of different types of plastics are produced today, such as polyethylene, which is widely used in product packaging, and polyvinyl chloride (PVC), used in construction and pipes.
Plastic is convenient and useful, but it is also a major pollutant. Plastic pollution is any plastic that ends up in the environment – from bottles and bags to less obvious sources like teabags and clothes. Plastic pollution has become ubiquitous in natural and built environments, raising concerns about potential harm to humans and nature alike. In the past 100 years, humans have produced and used a lot of plastic, and it is now invading every corner of the world. It is in the ground, the air, and the sea, where marine animals like albatrosses, dolphins, and turtles ingest it. It has been found on the highest mountains and in the deepest oceans.
Plastic sticks around in the environment for a long time, threatening wildlife and spreading toxins. It can take between 100 to 1,000 years or more for plastic to decompose, depending on environmental conditions. Once in the environment, plastic can fragment into smaller pieces, becoming microplastics. These are plastic particles ranging in size from five millimetres to one nanometer. They are found in every ecosystem on the planet, from the Antarctic tundra to tropical coral reefs. The presence of plastics, particularly microplastics, within the food chain is increasing. In the 1960s, microplastics were observed in the guts of seabirds, and since then, they have been found in increasing concentrations. The long-term effects of plastics in the food chain are poorly understood, but research indicates that more than 1,500 species in marine and terrestrial environments are known to ingest plastics. Harmful chemicals linked to plastic have been found in species from plankton to dolphins.
Plastic also contributes to global warming. Almost all plastics are made from chemicals that come from the production of planet-warming fuels (gas, oil, and even coal). Our reliance on plastic, therefore, prolongs our demand for these dirty fuels. By 2040, up to 19% of global greenhouse gas emissions will stem from plastics. The World Economic Forum projects that without intervention, the global plastics industry will account for 20% of total oil consumption and up to 15% of global carbon emissions by 2050.
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Frequently asked questions
To be "plastic" means to be fake or inauthentic. This usage of the word "plastic" is common in the US and is often used to describe someone who is pretending to live an ideal life, but in reality, is shallow and has no depth to their personality.
The word "plastic" comes from the Ancient Greek πλαστικός (plastikos), meaning "capable of being shaped or molded", which itself comes from πλαστός (plastos), meaning "molded" or "formed".
Plastic is an artificial substance made from synthetic resins, usually derived from petrochemicals.
There are dozens of different types of plastics, including polyethylene, polyvinyl chloride (PVC), and Bakelite. Plastic is used in a wide range of products, from packaging to construction materials and pipes.
Plastic has significant negative impacts on the environment, human health, and socioeconomic factors. The presence of plastics, especially microplastics, in the food chain and the environment is increasing, with 50-80% of debris in marine areas being plastic.
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