# \omicron

The ο symbol (Greek small letter omicron, U+03BF), written as \omicron in LaTeX math mode.

https://texform.dev/latex/symbols/omicron

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Greek letters](https://texform.dev/latex/topics/greek) |
| Packages | base |
| Allowed mode | math |
| Glyph | ο |
| Unicode | U+03BF GREEK SMALL LETTER OMICRON |
| Delimiter | No |

## Syntax

```latex
\omicron
```

Takes no arguments.

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 443 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+03BF (GREEK SMALL LETTER OMICRON).