Omicron (Lower Case) (ο)
The word OMICRON literally means "little O." (This contrasts with OMEGA (Ω), which means "great O").
In 2020, the World Health Organization's (WHO) established a convention of naming variants of the SARS-CoV-2 virus after letters of the Greek alphabet (in order to avoid stigmatizing countries where variants were first detected). In November 2021, a new variant of the virus was identified as "of concern" and designated OMICRON.
Codes for the "Greek-Small-Letter-Omicron" Symbol
Click on a green box to copy its contents.Formal Name:
Greek-Small-Letter-Omicron
The symbol:
ο
The Alt Code:
Alt 959
The HTML Code:
ο
HTML Entity:
ο
CSS Code:
\03BF
Hex Code:
ο
Unicode:
U+03BF
Test Your Knowledge of the Greek Letters
Here is a quick quiz to test your knowledge of the Greek letters.View the Symbol in Different Sizes and Fonts
ABC ο 123
ABC ο 123
Attribute | Setting | Change |
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Font Size | ||
Font Family | Arial |
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Color/Colour |
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Video Explaining How to Insert Special Symbols
This video explains 7 ways to insert a special symbol into an MS Office application (e.g., Word) or a website using HTML, CSS, or JavaScript:How To Insert the ο Symbol
(Method 1) Copy and paste the symbol.
Click on the ο symbol from the table above. Press the "Copy" button, and then paste the symbol into your document.(Method 2) Use the "Alt Code."
The Alt Code for ο is Alt 959. If you have a keyboard with a numeric pad, you can use this method. Simply hold down the Alt Key and type 959. When you lift the Alt Key, ο appears. ("Num Lock" must be on.)(Method 3) Use the HTML Decimal Code (for webpages).
HTML Text | Output |
---|---|
ο | ο |
(Method 4) Use the HTML Entity Code (for webpages).
HTML Text | Output |
---|---|
ο | ο |
(Method 5) Use the CSS Code (for webpages).
CSS and HTML Text | Output |
---|---|
<style> span:after { content: "\03BF";} </style> <span>Symbol:</span> | Symbol: ο |
(Method 6) Use the HTML Hex Code (for webpages and HTML canvas).
HTML Text | Output |
---|---|
ο | ο |
JavaScript Text |
---|
const x = "0x"+"3BF" ctx.fillText(String.fromCodePoint(x), 5, 5); |
Output |
ο |
(Method 7) Use the Unicode (for various, e.g. Microsoft Office, JavaScript, Perl).
The Unicode for ο is U+03BF. The important part is the hexadecimal number after the U+, which is used in various formats. For example, in Microsoft Office applications (e.g. Word, PowerPoint), do the following:Type | Output |
---|---|
03BF [Hold down Alt] [Press x] | ο (Note that you can omit any leading zeros.) |
JavaScript Text | Output |
---|---|
let str = "\u03BF" document.write("My symbol: " + str) | My symbol: ο |
(Method 8) Use an Image (for various).
HTML Text | Output |
---|---|
<img src = "myImg.png"/> | ο |
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