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penny arcade
penny black
penny candy
penny dreadful
penny-farthing
penny pincher
penny shares
penny stock
penny whistle
penny-wise
pennycress
pennyroyal
pennyweight
pennywort
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penninite

pen·ni·nite [ pénni nt ] or pen·nine [ pén n ]


noun 
Definition:
 
green to blue mineral: a green-blue mineral of the chlorite group, containing magnesium and iron. Source: metamorphic rocks.

[Mid-19th century. After the Pennine Alps]
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