Main Entry:

am·phi·bole

Pronunciation:

\ˈam(p)-fə-ˌbōl\

Function:

noun

Etymology:

French, from Late Latin amphibolus, from Greek amphibolos ambiguous, from amphiballein to throw round, doubt, from amphi- + ballein to throw — more at devil

Date:

circa 1823

1 : hornblende 2 : any of a group of complex silicate minerals with like crystal structures that contain calcium, sodium, magnesium, aluminum, or iron ions or a combination of them