noun spi·nel \spə-ˈnel\

Definition of SPINEL

:  a hard crystalline mineral consisting of an oxide of magnesium and aluminum that varies from colorless to ruby red to black and is used as a gem
:  any of a group of minerals that are essentially oxides of magnesium, ferrous iron, zinc, or manganese

Variants of SPINEL

spi·nel or spi·nelle \spə-ˈnel\

Origin of SPINEL

Italian spinella, diminutive of spina thorn, from Latin
First Known Use: 1528


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