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alpha centauri

noun

Simple meaning

Brightest star in Centaurus.

Pronunciation

Say it like this:

alfuhsentahree

Say the bold part a little louder.

US device voice
IPA pronunciation (US)

ˈælfəsɛntɑɹi

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. astronomy

    Brightest star in Centaurus; second nearest star to the sun

  2. astronomy

    The brightest star in the southern constellation of Centaurus. It is actually a binary star with Proxima Centauri as a third component.

Word Aura™

How this word commonly comes across.

This meaning: Brightest star in Centaurus; second nearest star to the sun

Used this way, alpha centauri is a specialist word that usually carries little praise or criticism of its own. This is a scientific use: it names something precisely within a field of study, so it appears in research and teaching more than in conversation.

Emotional tone
Neutral
Formality
Specialist/technical
Intensity
Not strongly marked
How common
Specialized
Connotation
Clinical and technical
Usage feel
Technical and specialized

Where it naturally appears

  • Science
  • Academic writing
  • Technical/specialist writing

Usage note

In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.