Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
noun
The counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, probability-theory, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
No etymology was provided for this word.
Across languages
3 source translations are retained for this English entry.
