To make the chain, many links, are hooked, or polymerized, together. Send us feedback. By definition, thermoplastic materials retain their molded shapes up to a certain temperature, which is set by the glass transition temperature or the melting temperature of the particular polymer. But using items like plastic shopping bags, bottles, utensils and straws requires users to commit to disposing of them properly—whether that means recycling them or, at the very least, ensuring they make their way into a proper waste receptacle. Ohm – practical unit of electric resistance. The most simple definition of a polymer is something made up of many units. Many toys are made out of plastic, like Barbie dolls and Lego blocks. In other words, while other elements might be present, plastics always include carbon and hydrogen. To illustrate the concept of plasticity, imagine the film of acamera. Plastics are soft or liquid when heated. Some can be shaped only when they are freshly made; then they become hard. It develops ethylene and propylene, which are the chemical building blocks for many plastics. How to use plastic surgery in a sentence. 1. Instead, other sources like plants and bacteria are used to make the plastic.[source?] What is plastic? In addition, plastics can be made in many colors. They will also do anything to get ahead in life including using you, with a smile on their faces to obtain the goals of wealth and or personal status. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plastic.' Plastic surgery, especially as a profession. Plastic analysis derives from a simple mode failure in which plastic hinges form. Pros and Cons of Using Plastic. Most of the materials that are called plastic are polymers. … General term for a fake, or in reference to a shallow person. Everlane was one of the first companies to turn recycled, Most of the cases, 90%, involved animals that consumed, The best eco-friendly gifts cover a range of categories—from environmentally conscious kitchen swaps to sustainable fashion and reusable beauty products—that can help banish even more single-use, To grasp how this works, imagine gummy worms that are half yellow and half green, with each color representing a different, Other tactics: Have guests bring their own food, drink and utensils or use single-use options, like, Some items may require additional screening, so place them in clear, There was even a lot of opposition to a new rule to charge customers for using, If sharing food, have one person serve food and use single-use options, like, In India, Anuradha would send her daughter out in the neighborhood with, Shield the foliage of desirable plants with a piece of cardboard during spraying or cover those plants with, Ultraviolet and other forms of light can be very damaging to foods, especially those in clear packaging like jars and see-through, Post the Definition of plastic to Facebook, Share the Definition of plastic on Twitter, We Got You This Article on 'Gift' vs. 'Present'. Meaning of plastic. Plastic definition is - a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting … any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives, casein materials, and proteins: used in place of other materials, as glass, wood, and metals, in construction and decoration, for making many articles, as coatings, and, drawn into filaments, for … Plastics used for industrial work come from petrochemicals. 'Nip it in the butt' or 'Nip it in the bud'? Examples of thermoplastics include polypropyle… Polymeric materials (usually organic) of large molecular weight which can be shaped by flow. Learn a new word every day. plastic noun (SUBSTANCE) A2 [ C or U ] an artificial substance that can be shaped when soft into many different forms and has many different uses: He put a sheet of plastic over the … An example of something plastic is Play-Doh modeling compound. Plastic is any synthetic or semisynthetic organic polymer. People experimented with plastics based on natural polymers for a very long time. There are many types of plastic. Plastics are categorized into two groups, those that go through a chemical change process in their constituents when subjected to heat (thermosetting polymers) and those that do not (thermoplastics). This page was last changed on 28 September 2020, at 11:12. 1. plastic [n] - See also: plastic Medical Definition of Plastics. Plastics are polymers. plastic, pliable, pliant, ductile, malleable, adaptable mean susceptible of being modified in form or nature. Delivered to your inbox! Plastic is a synthetic material that can be molded when soft and formed into a solid shape. the malleable properties of gold adaptable implies the capability of being easily modified to suit other conditions, needs, or uses. Plastic utensils. ¹ Source: wiktionary.com. Polymers are long chains of atoms bonded to each other. Plastic refers to its pliable rubber tubing pliant may stress flexibility and sometimes connote springiness. There are many types of plastic. Each link of the chain is usually made of carbon, hydrogen, oxygen, and/or silicon. Plastic surgery definition is - a branch of concerned with improving the function or appearance of parts of the body through reconstructive or cosmetic medical procedures; also : a procedure performed for such a purpose. This means that they keep warm things warm and cool things cool. The definition of plastic is able to be shaped, or made of man made polymers. They are also easy to clean, making them safe and hygienic for preparing and storing food. I hate talking to him, he's so plastic ! Now imagine usingthe camera to take a picture of a tree. Please tell us where you read or heard it (including the quote, if possible). Plastics are easy to mould into any … count noun ‘bottles can be made from a variety of plastics’ Polymers are chains of molecules. Some plastics are recycled so they won't become waste. plastic materials allow the sculptor greater freedom pliable suggests something easily bent, folded, twisted, or manipulated. The different atoms and the shape and length of the chains change how the plastic looks and works. They resist damage by water, heat, chemicals, and electricity. Just like other forms of plastic molding, after the molten plastic is injected into the mold, the mold is cooled and opened to reveal a solid plastic part. plastic noun (SUBSTANCE) A2 [ C or U ] an artificial substance that can be shaped when soft into many different forms and has many different uses: He put a sheet of plastic over the … Latin plasticus of molding, from Greek plastikos, from plassein to mold, form. Chemical engineers refine the petroleum which goes through a heating process. In orderfor the image to be retained, the film must react to the light and"change" to record the image of the tree. an athletic shoe with a pliant sole ductile applies to what can be drawn out or extended with ease. plastic: derogatory. Definition of plastic in the Definitions.net dictionary. A plastic is a kind of material that is made by people and can be formed into almost any shape. O back to top. Many things are made of plastics, usually because making them to the right shape is easy. Noun. They are useful because they can be eaten by other bacteria instead of throwing them away. Some plastics release toxic fumes when heated. Many things are made of plastics, usually because making them to the right shape is easy. Most plastics are man-made; they do not occur in nature. Examples of these polymers include nylon, PVC, and polyethylene. You need less energy to transport and distribute it. Thermoplastics and thermosetting polymers are the two types of plastic. A plastic is a material that can change its shape. plastic applies to substances soft enough to be molded yet capable of hardening into the desired fixed form. 2. Plastics are a group of materials, either synthetic or naturally occurring, that may … Plastics are synthetic materials that are made from synthetic resins or organic polymers. Plastic is a material which is produced from oil by a chemical process and which is used to make many objects. In most plastics, the long chain is a chain of carbon atoms with other atoms attached to them. Ohm’s Law – the strength of a direct current is directly proportional to the potential difference and inversely proportional to the resistance of the circuit. Old plastics are usually thrown away and put in landfills. Consumers benefit from the advantages in cost, convenience and energy efficiency that single-use items provide. What does plastic mean? ‘Each plastic card resembles a credit card, but is in fact a completely self contained microcomputer with its own embedded software and memory.’ ‘At the same time, AmEx will step up its drive to wean large companies and small businesses from checks to corporate plastic.’ The plasticity during production makes it possible for plastic to be moulded, extruded or pressed into solid objects of various shapes, making them an adaptable material for many different uses. Information and translations of plastic in the most comprehensive dictionary definitions resource on the web. Con. Plastics are mostly petrochemicals, made from natural gas or from petroleum, a type of oil. It was hard but flexible and transparent. Polypropylene (the stuff butter tubs often are made of) is an example of a thermoplastic. 'All Intensive Purposes' or 'All Intents and Purposes'? A plastic is a material that can change its shape. Plastic people; "Watanabe Elitist"… simple put, “Fake as plastic”… People too self absorbed in Money, Cars, Jewels, and of their own-self. Many […] Definition: Plastic analysis is defined as the analysis in which the criterion for the design of structures is the ultimate load. Which of the following words shares a root with. Test Your Knowledge - and learn some interesting things along the way. Most plastics are strong, long-lasting, and lightweight. He called it "Parkesine" but now it is called "Celluloid.". 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