omicron
noun/ˈɒmɪkrɒn/, /əʊˈmaɪkrɒn/
/ˈɑːməkrɑːn/, /ˈəʊməkrɑːn/
- [countable] the 15th letter of the Greek alphabet (O, o)
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- Omicron[uncountable] a variant (= form) of the SARS-CoV-2 virus that was first reported in November 2021 and spread quickly to become the main form of the virus in many places
- These new measures are intended to slow the spread of Omicron.
Word Originfrom Greek o mikron ‘small o’.
Check pronunciation:
omicron