Ah, the symbol you're referring to is called a "lowercase o with a macron," used in linguistics to represent a long vowel sound. So, in simpler terms, it's like saying the "o" sound in "boat" instead of the "o" sound in "cot." Hope that clears things up for you!
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The symbol "Ø" (the letter O with a vertical line through it) typically represents the concept of "empty set" in mathematics, indicating a set that contains no elements. It can also denote "diameter" in technical contexts or be used in engineering to represent the diameter of a circle. Additionally, in certain Scandinavian languages, it represents a vowel sound.
This is simply called a line. <---------------O-------------------------------O----------------------> But this is called a line segment: O-------------------------------------------O
The operator symbol is obviously an O with an X thru it,it is unknown whether it repels the slenderman or draws him near,but it may be the latter,as some sightings include the symbol itself.. Hope this helped. Ysy out.
W/and w/o
O2- is the symbol for the oxide ion, which is an oxygen atom that has gained two electrons. The oxide ion has a charge of -2.