omicron
The 15th letter of the Classical and Modern Greek alphabets, used in ordering lists as…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.
» They say that the covid-19 omicron variant is as contagious as measles.
sangelo · Tatoeba · CC BY 2.0 FRMeaning
1 senses(capitalized, sometimes)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.
- the 15th letter of the Greek alphabet
Examples
3 sentencesThey say that the covid-19 omicron variant is as contagious as measles.
Thanks to covid-19, we'll eventually learn the Greek alphabet. The letter of the month is omicron.
Завдяки ковіду-19, ми з часом вивчимо грецьку абетку. Літера місяця - "оміркон". — deniko
Omicron is spreading rapidly.
Origin
From Latin omicron, from Koine Greek ὂ μῑκρόν (ò mīkrón, “little o”), named in contrast wiFrom Latin omicron, from Koine Greek ὂ μῑκρόν (ò mīkrón, “little o”), named in contrast with omega (“big o”). The uncommon form omicra is similarly borrowed from Latin and Greek. The use for designating stars in a constellation—typically in order of apparent brightness—began with Johann Bayer's 1603 Uranometria.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: omicrons / omicraLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.