Trending Pages
What is a COVIDIOT?
Can sounds give you brain tingles?
What is a man looking for younger girls called?
What is an "Unexplained Drinking Injury (UDI)"?
What does QQ mean?
P911 means parents are watching!
Why does <4 mean "more than love"?
What does DIAMOND HANDS mean?
Send an encrypted message.
Learn all the Snapchat emojis.
OMICRON
Search our site
What Does OMICRON Mean?
OMICRON is a variant of the SARS-CoV-2 virus (the virus that causes COVID-19).On November 26 2021, the World Health Organization's (WHO) classified a new variant of the SARS-CoV-2 virus as "of concern" and gave it the designation OMICRON. The new variant was first detected on November 11, in Botswana, and was identified as having around thirty mutations, more than twice as many as the Delta variant.
In keeping with the convention of naming new variants of the coronavirus after letters of the Greek alphabet (in order to avoid stigmatizing countries where variants are first detected), the WHO selected the letter OMICRON, the 15th letter of the alphabet. Although the WHO had only used 12 letters of the Greek alphabet before the new variant emerged, it was decided to skip the 13th and 14th letters, Nu and Xi, because Nu sounds like "new" in English and Xi is a common Chinese surname (which is even shared by Chinese President Xi Jinping).
What Is the OMICRON Symbol?
- This is a lowercase OMICRON symbol: ο (The main codes for a lowercase OMICRON symbol are "ο" (HTML entity) and "Alt 959" (ALT Code).)
- This is an uppercase OMICRON symbol: Ο (The main codes for an uppercase OMICRON symbol are "Ο" (HTML entity) and "Alt 927" (ALT Code).)
An OMICRON looks like the letter O. Of note, the word OMICRON literally means "little O." (This contrasts with OMEGA (Ω), which means "great O".)
Prior to its association with COVID-19, OMICRON was best known as a planet in the science-fiction animated TV series Futurama, created by Matt Groening (who also created The Simpsons). The Omicronians of planet Omicron Persei 8 were large aliens led by Emperor Lrrr (pronounced "Lurr"), who were bent on world domination. For a list of COVID-19 related definitions, check out our page of Coronavirus Terms.
Keep up to date with the COVID-19 situation at the WHO's official Coronavirus page.
Image for OMICRON
When I write OMICRON, I mean this:
Summary of Key Points
"SARS-CoV-2 (COVID-19) Variant" is the most common definition for OMICRON on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.OMICRON | |
---|---|
Definition: | SARS-CoV-2 (COVID-19) Variant |
Type: | Word |
Guessability: | ![]() 4: Difficult to guess |
Typical Users: | ![]() Adults and Teenagers |
More...
An Academic Look at OMICRON
OMICRON is the 15th letter of the Greek alphabet. The OMICRON symbol is written or typed in uppercase as "O" and in lowercase as "o," exactly the same as the letter "o" in English.Find out how to type all of the Greek letters on our Greek letter symbols page.
Example of OMICRON Used in a Text
OMICRON
"Cyber Speak" Test
You now know what OMICRON means, but are you good at Cyber Speak? Well, let's see!
Gold

Silver

Bronze
0
- This test has questions.
- A correct answer is worth 5 points.
- You can get up to 5 bonus points for a speedy answer.
- Some questions demand more than one answer. You must get every part right.
- Beware! Wrong answers score 0 points.
- 🏆 If you beat one of the top 3 scores, you will be invited to apply for the Hall of Fame.
Scoring System
Cyber Guru (+)
Cyber Hero (+)
Cyber Captain (+)
Cyber Sergeant (+)
Cyber Recruit (+)
Cyber Guru (+)
Cyber Hero (+)
Cyber Captain (+)
Cyber Sergeant (+)
Cyber Recruit (+)
Help Us Improve Cyber Definitions
- Do you disagree with something on this page?
- Did you spot a typo?
- Do you know a slang term that we've missed?