Meaning of ALPHA in English

ALPHA

n.

Pronunciation: ' al-f ə

Function: noun

Etymology: Middle English, from Latin, from Greek, of Semitic origin; akin to Hebrew ā leph aleph

Date: 13th century

1 : the 1st letter of the Greek alphabet ― see ALPHABET table

2 : something that is first : BEGINNING

3 : ALPHA WAVE

4 : ALPHA PARTICLE

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.