alpha


Definition: Meaning of, alpha in English to English dictionary.

Pronunciation: / ˈalfə /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
N/A N/A
[countable usually singular]
  1. the first letter of the Greek alphabet
    SYNONYM
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    ANTONYM
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  2. the alpha and omega formal the start and finish of something, and therefore the whole of it
    SYNONYM
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    ANTONYM
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synonym
antonym

alpha used in phrases

  • Alpha Centauri (noun)
    1. brightest star in Centaurus; second nearest star to the sun
  • Alpha Crucis (noun)
    1. the brightest star in the Southern Cross
  • Alpha Geminorum (noun)
    1. a multiple star with 6 components; second brightest in Gemini; close to Pollux
  • Alpha Orionis (noun)
    1. the second brightest star in Orion
  • alpha and omega (noun)
    1. the first and last; signifies God's eternity
    2. the basic meaning of something; the crucial part
  • alpha brass (noun)
    1. an alloy of brass and zinc; used mainly for cold working
  • alpha bronze (noun)
    1. an alloy of copper and tin that can be worked
  • alpha decay (noun)
    1. radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle
  • alpha fetoprotein (noun)
    1. as spina bifida or anencephaly an abnormally large amount of this fetoprotein in the foetus can signal an abnormality of the neural tube
  • alpha foetoprotein (noun)
    1. as spina bifida or anencephaly an abnormally large amount of this fetoprotein in the foetus can signal an abnormality of the neural tube
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