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In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
HTML and XML provide ways to reference Unicode characters when the characters themselves either cannot or should not be used. A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name.
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;
It contains various common symbols which are related to and used in the various technical, programming language, and academic professions. For example: For example: Symbol ⌂ (HTML hexadecimal code is ⌂) represents a house or a home.
Morse code abbreviations are not the same as prosigns.Morse abbreviations are composed of (normal) textual alpha-numeric character symbols with normal Morse code inter-character spacing; the character symbols in abbreviations, unlike the delineated character groups representing Morse code prosigns, are not "run together" or concatenated in the way most prosigns are formed.
1. Alabama: 'A Ways' In Alabama, 'A ways' means any distance that could take you between ten minutes and two hours to travel, generally indicating a vague but substantial distance.
Hafnium, symbol Hf, a chemical element; Hartree–Fock method, a calculation scheme in the field of computational chemistry; Hydrogen fluoride, HF, a diatomic compound which can dissolve in water to form hydrofluoric acid, a highly corrosive solution; Hydrofluoric acid, HF (aq), a solution of hydrogen fluoride (HF) in water
pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words). (a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome