Circled point
The circled point is a symbol that consists of a circle with a circular point in the center .
use
The symbol is used in different areas for different purposes, for example:
- In astronomy and astrology it is the symbol for the sun .
- In alchemy , it stands for gold .
- It identifies annual plants in identification books .
- In philately , it denotes a used or canceled postage stamp .
- In mathematics, it serves as an operator and as a symbol for a vector directed towards the viewer.
- In physics it denotes the facing direction of an action vector (arrowhead); (Opposite: circled X = end of arrow).
- In the navigation as a fixed point according to the Federal Maritime and Hydrographic Agency , sea chart D1 as a measured point (symbol D 2 ).
- The boy scouts use it as a ranger symbol for "End of the game / I went home" and is also used there as a symbol for the end of life.
- The company Sono Motors GmbH uses the sun symbol in its company logo and a trademark on their solar car Sion .
As a character , when used as a mathematical operator, it has the dimensions of the circled plus sign , otherwise mostly the height of capital letters . It also occurs specifically in astronomical specialist texts as a subscript to designate a measured variable as belonging to the sun, for example in the abbreviation M ☉ for the solar mass .
Similar characters
A similar looking Egyptian hieroglyph
|
A variant is the fisheye , in which the central point is so large that the white space between it and the outer circle is as thick as the surrounding circular line. This special character is used as a bullet in Japan .
Unicode
The following table shows the Unicode variants of the circled period and some similar characters.
| character | Unicode position |
Unicode name | German name | Unicode block | Latex |
|---|---|---|---|---|---|
| ʘ | U + 0298 | latin letter bilabial click | Latin letter bilabial click | IPA extensions |
\textbullseye, \clickb
|
| ⊙ | U + 2299 | circled dot operator | Circled point operator | Mathematical operators |
\odot
|
| ◉ | U + 25C9 | fisheye | Fisheye | Geometric shapes | |
| ☉ | U + 2609 | sun | Sun | Different symbols |
\astrosun, \Sun
|
| ⦿ | U + 29BF | circled bullet | Circled bullet | Various math symbols-B | |
| ⨀ | U + 2A00 | n-ary circular dot operator | N-digit circled point operator | Additional math operators |
\bigodot
|
| Ꙩ | U + A668 | cyrillic capital letter monocular o | Cyrillic capital letter O with an eye point | Cyrillic, extended-B | |
| ꙩ | U + A669 | cyrillic small letter monocular o | Cyrillic Small Letter O with an Eye Point | Cyrillic, extended-B | |
| ? | U + 10348 | gothic letter hwair | Gothic letter ƕ (hv, hw) | Gothic | |
| ? | U + 131F3 | egyptian hieroglyph n005 | Egyptian hieroglyph N5 | Egyptian hieroglyphics | |
| ? | U + 1F78A | white circle containing black small circle | Hollow circle with a small full circle inside | Geometric shapes, expanded |
Individual evidence
- ^ For example: Karlheinz Senghas, Siegmund Seybold: Schmeil · Fitschen - Flora of Germany and neighboring countries. Wiebelsheim, 91st edition 2000, ISBN 3-494-01291-1 , p. 54: "Explanation of the abbreviations used in the text"
- ↑ Scott Pakin: The Comprehensive LaTeX Symbol List. (PDF, 8.7 MB) January 19, 2017, archived from the original on September 28, 2017 ; Retrieved on September 28, 2017 (English, linking the original results in a mirror of CTAN , the archive link compare file: Comprehensive LaTeX Symbol list.pdf ).