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Diameter of a circle. In a feature control frame , the ⌀ symbol tells you that the tolerance zone for the geometric tolerance is cylindrical. Abbreviations for "diameter" include ⌀, DIA, and D. D: diameter; delta: Abbreviations for "diameter" include ⌀, DIA, and D. For delta usage, see for example "delta notes". DIA [2] diameter
The international standard symbol for inch is in (see ISO 31-1, Annex A) but traditionally the inch is denoted by a double prime, which is often approximated by a double quote symbol, and the foot by a prime, which is often approximated by an apostrophe. For example; three feet, two inches can be written as 3 ′ 2″.
The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
Such shorthand can be an abbreviation, such as "in" for "inch" or can be a symbol such as "km" for "kilometre". In the International System of Units (SI) manual [ 22 ] the word "symbol" is used consistently to define the shorthand used to represent the various SI units of measure.
The prime symbol ′ is commonly used to represent feet (ft), and the double prime ″ is used to represent inches (in). [2] The triple prime ‴, as used in watchmaking, represents a ligne (1 ⁄ 12 of a "French" inch, or pouce, about 2.26 millimetres or 0.089 inches). [3] Primes are also used for angles.
A typical shorthand system provides symbols or abbreviations for words and common phrases, which can allow someone well-trained in the system to write as quickly as people speak. Abbreviation methods are alphabet-based and use different abbreviating approaches.
The post 35 Text Abbreviations You Should Know (and How to Use Them) appeared first on Reader's Digest. Knowing the meaning of these terms will keep anyone with a phone, social media, or even just ...
Gregg shorthand is a system of shorthand developed by John Robert Gregg in 1888. Distinguished by its phonemic basis, the system prioritizes the sounds of speech over traditional English spelling, enabling rapid writing by employing elliptical figures and lines that bisect them.