simple definition of plastic

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