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