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Lengua inglesa
alpha
noun
1 the first letter of the Greek alphabet. See table in the Supplement to this book.
2 Brit
a a mark given to an exam paper or other piece of work that denotes a first class grade;
b (alpha plus or alpha minus) a mark above or below alpha respectively.
3 astron the brightest star in a constellation.
4 (Alpha) communications in the NATO alphabet: the word used to denote the letter -A- (see table in the Supplement to this book).
adjective
1 chem designating one of two or more isomeric forms of a compound.
2 zool referring to the most dominant member of a hierarchical group That gorilla is the alpha male .
[14c: Greek, from Hebrew and Phoenician aleph an ox or a leader, the original hieroglyph being in the form of an ox's head]
alpha and omega the beginning and the end.
© Hodder Education

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