![]() ![]() Many different models of xerographic copying machines are available today, but they all operate on some common principles. Among these other forms of photocopying are thermography, diazo processes, and electrostatic copying. However, a number of other forms of photocopying pre-dated the Carlson invention and are still used for special applications. Indeed, the name of the company founded to develop Carlson ’s invention, Xerox Corporation, has become synonymous with the process of photocopying. Today the most widely used form of photocopying is xerography (dry writing), which was invented by Carlson. Nadjakov ’s work with the photoelectric effect led to the invention of the photocopier in the 1930s by American physicist and inventor Chester Carlson (1906 –1968), who was also a New York patent attorney. Bulgarian physicist Georgi Nadjakov (1896 – 1981) discovered that some dielectrics (materials that are unable to directly conduct electric current) became permanently polarized when placed into an electric field and exposed to light. When talking about a “Photocopy” you can interchange and use the word “Copy” instead.Photocopying is the process by which light is used to make copies of book pages and other paper documents. However, “Copy” has a broader meaning and can indicate anything that is made to look like something else. “Photocopy” is a “Copy” made using a photocopier machine. The reason why we thought this was exactly what we’d see is that “Photocopy” indicates a very specific kind of “Copy” and has quite a strict use. Let’s take a look at the graph from Google Ngram Viewer below, to find out which word is used more frequently, ”Photocopy” or “Copy”.Īs expected, “Copy” is used much more often than “Photocopy”. Do you have your own copy of the novel? Which Is Used the Most?Ĭonsidering that a “Photocopy” is a kind of “Copy”, we can guess which word is used more often.You should have a copy of the agreement.Make a copy of all these documents for safekeeping.She only passed the test because she copied from the girl next to her.He just copied and pasted the whole article.In The Cambridge Dictionary we find the following definition: “to produce something that is exactly like another thing, or to do something meant to be like someone or something else”. ![]() Literally, anything can have a “Copy” of it made. It could be a document or file, or any item (like an object or a piece of clothing). CopyĪ “Copy” is something that has been made exactly like something else.
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