It develops ethylene and propylene, which are the chemical building blocks for many plastics. Chemical engineers refine the petroleum which goes through a heating process. A plastic is a kind of material that is made by people and can be formed into almost any shape. the malleable properties of gold adaptable implies the capability of being easily modified to suit other conditions, needs, or uses. Plastic definition is - a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting … Many things are made of plastics, usually because making them to the right shape is easy. They resist damage by water, heat, chemicals, and electricity. Noun. 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 … Examples of these polymers include nylon, PVC, and polyethylene. Plastic refers to its Monomer – the simple, unpolymerized form of a compound which is the building block of a polymer. Pro. Consumers benefit from the advantages in cost, convenience and energy efficiency that single-use items provide. In addition, plastics can be made in many colors. How to use plastic surgery in a sentence. 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 … The different atoms and the shape and length of the chains change how the plastic looks and works. What made you want to look up plastic? Con. Some plastics release toxic fumes when heated. Plastic is a material which is produced from oil by a chemical process and which is used to make many objects. Many toys are made out of plastic, like Barbie dolls and Lego blocks. Each link of the chain is usually made of carbon, hydrogen, oxygen, and/or silicon. This means that they keep warm things warm and cool things cool. Polymers are chains of molecules. Pros and Cons of Using Plastic. It was hard but flexible and transparent. They are useful because they can be eaten by other bacteria instead of throwing them away. What does plastic mean? ductile metals such as copper malleable applies to what may be pressed or beaten into shape. The process of making plastics is usually quite complicated. Plastics are plastic, which means we can mold them into pretty much anything, from car bodies and washing-up bowls to toilet seats and toothbrushes. 1. A plastic is a material that can change its shape. We can define it as the analysis inelastic material is studied beyond the elastic limit (which can be observed in stress strain diagram). These plastics can be used for 3D printing, because the plastic will become soft enough to form into different shapes, and then become hard again when they cool down. Plastics used for industrial work come from petrochemicals. ‘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.’ To illustrate the concept of plasticity, imagine the film of acamera. General term for a fake, or in reference to a shallow person. Plastic is any synthetic or semisynthetic organic polymer. This plastic behaves sort of like an ice cube: it melts when heated and solidifies when cooled … like water, over and over again. Plastic people; "Watanabe Elitist"… simple put, “Fake as plastic”… People too self absorbed in Money, Cars, Jewels, and of their own-self. Information and translations of plastic in the most comprehensive dictionary definitions resource on the web. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Some can be shaped only when they are freshly made; then they become hard. English Language Learners Definition of plastic (Entry 2 of 2), See the full definition for plastic in the English Language Learners Dictionary, Kids Definition of plastic (Entry 2 of 2), Medical Definition of plastic (Entry 2 of 2), Thesaurus: All synonyms and antonyms for plastic, Nglish: Translation of plastic for Spanish Speakers, Britannica English: Translation of plastic for Arabic Speakers, Britannica.com: Encyclopedia article about plastic. He called it "Parkesine" but now it is called "Celluloid.". computer hardware that is adaptable. Some plastics are recycled so they won't become waste. Polypropylene (the stuff butter tubs often are made of) is an example of a thermoplastic. 2. Plastic surgery, especially as a profession. Plastic is a synthetic material that can be molded when soft and formed into a solid shape. Latin plasticus of molding, from Greek plastikos, from plassein to mold, form. adjective of or relating to a plastic or plastics: a plastics firm; plastics research. Plastic utensils. Polymers are long chains of atoms bonded to each other. Plastic is a polymeric material —that is, a material whose molecules are very large, often resembling long chains made up of a seemingly endless series of interconnected links. Definition of plastic in the Definitions.net dictionary. These plastics are called bioplastics. an athletic shoe with a pliant sole ductile applies to what can be drawn out or extended with ease. Instead, other sources like plants and bacteria are used to make the plastic.[source?] Today, some of these plastics are also being made without oil. A material that is made from plastic can easily be shaped or deformed. Plastic toys. Plastics are a wide range of synthetic or semi-synthetic materials, that usually use a polymers as a main ingredient. When a picture is taken, the filmis exposed to new information -- that of the image of a tree. Plastics are a group of materials, either synthetic or naturally occurring, that may … They are also easy to clean, making them safe and hygienic for preparing and storing food. 'Nip it in the butt' or 'Nip it in the bud'? Most plastics are man-made; they do not occur in nature. Delivered to your inbox! You need less energy to transport and distribute it. These chemicals are then combined with other chemicals to produce a polymer. A plastic is a material that can change its shape. Others are thermoplastic and can be softened by heating them. 'All Intensive Purposes' or 'All Intents and Purposes'? Any synthetic or semi-synthetic polymers are ‘plastics’. 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. If the monomers connect in a three-dimensional network, the polymer is called a thermoset. Old plastics are usually thrown away and put in landfills. Can you spell these 10 commonly misspelled words? There are many types of plastic. Plastics are a good insulator of heat. In orderfor the image to be retained, the film must react to the light and"change" to record the image of the tree. Plastics are polymers. Which of the following words shares a root with. How to use a word that (literally) drives some pe... Test your knowledge of the words of the year. plastic: derogatory. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plastic.' Injection molding is the process of making custom plastic parts by injecting molten plastic material at high pressure into a metal mold. Ohm – practical unit of electric resistance. Polymeric materials (usually organic) of large molecular weight which can be shaped by flow. I hate talking to him, he's so plastic ! To make the chain, many links, are hooked, or polymerized, together. Accessed 13 Dec. 2020. Pretend that the film represents your brain. count noun ‘bottles can be made from a variety of plastics’ Please tell us where you read or heard it (including the quote, if possible). Meaning of 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. Many […] There are many types of plastic. While plastics may be made from just about any organic polymer, most industrial plastic is made from petrochemicals. Definition of Plastics. “Plastic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plastic. pliable rubber tubing pliant may stress flexibility and sometimes connote springiness. 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). 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. Plastics definition: of or pertaining to a plastic or plastics | Meaning, pronunciation, translations and examples Plastics are soft or liquid when heated. 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'. Plastic analysis derives from a simple mode failure in which plastic hinges form. Learn a new word every day. Often plastics. Definition: Plastic analysis is defined as the analysis in which the criterion for the design of structures is the ultimate load. In most plastics, the long chain is a chain of carbon atoms with other atoms attached to them. Test Your Knowledge - and learn some interesting things along the way. 1 A synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be molded into shape while soft and then set into a rigid or slightly elastic form. The most simple definition of a polymer is something made up of many units. From Simple English Wikipedia, the free encyclopedia, https://simple.wikipedia.org/w/index.php?title=Plastic&oldid=7125552, Articles lacking sources from August 2019, Articles with unsourced statements from March 2020, Creative Commons Attribution/Share-Alike License. 1. plastic [n] - See also: plastic Medical Definition of Plastics. 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. 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. plastic applies to substances soft enough to be molded yet capable of hardening into the desired fixed form. 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 are synthetic materials that are made from synthetic resins or organic polymers. What is plastic? Plastics are easy to mould into any … They can be molded into objects, pressed into thin layers, and drawn into fibers for use in textiles. plastic materials allow the sculptor greater freedom pliable suggests something easily bent, folded, twisted, or manipulated. Alexander Parkes, an English inventor (1813-1890), created an early form of plastic in 1855. ¹ Source: wiktionary.com. O back to top. This page was last changed on 28 September 2020, at 11:12. Many things are made of plastics, usually because making them to the right shape is easy. Most plastics are strong, long-lasting, and lightweight. Some plastics have other materials added to them, like glass, because they make the plastic stronger and stiffer. Most of the materials that are called plastic are polymers. An example of something plastic is Play-Doh modeling compound. Send us feedback. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Now imagine usingthe camera to take a picture of a tree. The definition of plastic is able to be shaped, or made of man made polymers. Thermoplastics and thermosetting polymers are the two types of plastic. Similarly, in order for newknowledge to be retained in memory, changes in the brain representing thenew kno… … In other words, while other elements might be present, plastics always include carbon and hydrogen. ¹. Examples of thermoplastics include polypropyle… 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. plastic, pliable, pliant, ductile, malleable, adaptable mean susceptible of being modified in form or nature. People experimented with plastics based on natural polymers for a very long time. 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. Definition. A thermoplastic is a material, usually a plastic polymer, which becomes more soft when heated and hard when cooled.Thermoplastic materials can be cooled and heated several times without any change in their chemical or mechanical properties. Plastics are mostly petrochemicals, made from natural gas or from petroleum, a type of oil. From petroleum, a type of oil a word that ( literally ) drives some pe test! In cost, convenience and energy efficiency that single-use items provide stronger stiffer. Building block of a tree https: //www.merriam-webster.com/dictionary/plastic ( usually organic ) of large molecular weight can! 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