Part of speech: Adjective (satellite)
first in order of importance
Example: the alpha male in the group of chimpanzees; the alpha star in a constellation is the brightest or main star
Part of speech: Adjective (satellite)
early testing stage of a software or hardware product
Example: alpha version
Part of speech: Noun
the 1st letter of the Greek alphabet
Part of speech: Noun
the beginning of a series or sequence
Example: the Alpha and Omega, the first and the last, the beginning and the end"--Revelations