omicron

IPA: oʊmˈaɪkrɑn

(sometimes capitalized) The 15th letter of the Classical and Modern Greek alphabets (16th in Ancient and Old Greek), used in ordering lists as in naming (astronomy) the 15th star of a constellation or (epidemiology) the 15th discovered major variant of a disease.
(virology, pathology) Ellipsis of Omicron variant. [The highly virulent B.1.1.529 strain of the SARS-CoV-2 virus that causes COVID-19.]
(virology, pathology, uncountable) Ellipsis of Omicron variant. [The highly virulent B.1.1.529 strain of the SARS-CoV-2 virus that causes COVID-19.]
(countable) Alternative form of omicron (Greek letter) (especially in the majuscule form) [(sometimes capitalized) The 15th letter of the Classical and Modern Greek alphabets (16th in Ancient and Old Greek), used in ordering lists as in naming (astronomy) the 15th star of a constellation or (epidemiology) the 15th discovered major variant of a disease.]
Ellipsis of Omicron Hill.; A mountain in North Slope borough, Alaska, United States

Examples of "omicron" in Sentences

The omicron variant of the virus is causing concern among health officials
Scientists are studying the omicron variant to understand its potential impact on public health
The omicron variant has been detected in multiple countries around the world
The omicron variant is believed to be more transmissible than previous strains of the virus
Efforts are underway to track and contain the spread of the omicron variant