beta has definitions from the fields of biology,botany
1
[ noun ] the 2nd letter of the Greek alphabet

Used in print

(E. Lucas Myers, "The Vindication of Dr. Nestor,"...)

Below these particulars was a series of alpha beta gammas connected by arrows and crosses which denoted the lineage of the breed .

Related terms

letter Greek_alphabet

2
[ adjective ] second in order of importance

Examples

"the candidate, considered a beta male, was perceived to be unable to lead his party to victory"

Related terms

important

3
[ adjective ] preliminary or testing stage of a software or hardware product

Examples

"a beta version" "beta software"

Related terms

exploratory

4
[ noun ] (biology,botany) beets

Synonyms

genus_Beta

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