"alpha" in the noun sense
the 1st letter of the Greek alphabet
the beginning of a series or sequence
"the Alpha and Omega, the first and the last, the beginning and the end"
"alpha" in the adjective sense
first in order of importance
"the alpha male in the group of chimpanzees"
"the alpha star in a constellation is the brightest or main star"
early testing stage of a software or hardware product
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License