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单词 alpha
释义 alpha
 /al"feuh/,  n.  
  1. the first letter of the Greek alphabet (A).
  2. the vowel sound represented by this letter.
  3. the first; beginning.
  4. (cap.) Astron. used to designate the brightest star in a constellation.
  5.  Chem.   one of two or more isomeric compounds.
  6. the first in a series of related items: frequently used in chemistry and physics.
  7.  Chiefly Brit.   a mark or grade corresponding to an A. Cf. beta (def. 8), gamma (def. 9).
  adj.  
  8. -
   a. (esp. of animals) having the highest rank of its sex in a dominance hierarchy: the alpha female.
   b. being the most prominent, talented, or aggressive person in a group: the alpha male of investment bankers.
  9.  Chem.   pertaining or linked to the carbon atom closest to a particular group in an organic molecule.
 [ < L < Gk álpha < Sem; cf. ALEPH]
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更新时间:2024/11/10 14:28:03