alpha

1 alpha /ˈælfə/ noun
plural alphas
1 alpha
/ˈælfə/
noun
plural alphas
Britannica Dictionary definition of ALPHA
1 
[count] : the first letter of the Greek alphabet — Α or α
2 
[noncount] : the first version of a product (such as a computer program) that is being developed and tested — usually used before another noun — compare beta
2 alpha /ˈælfə/ adjective
2 alpha
/ˈælfə/
adjective
Britannica Dictionary definition of ALPHA
always used before a noun
: having the most power in a group of animals or people