This is the 6112th most frequent Spanish word.
alfa
The first letter of the Greek alphabet; used to denote the beginning or a leading position.
Here, 'alfa' refers to the brightest or main star in an astrological context.
La estrella alfa de esa constelación es muy brillante.
The alpha star of that constellation is very bright.
In this sentence, 'alfa' is used metaphorically to denote a leader or dominant individual.
Él es considerado el alfa del grupo, siempre liderando.
He is considered the alpha of the group, always leading.
Here, 'alfa' is used as a term to denote the first element, often in mathematical or scientific contexts.