ga·le·na 
(gə-lēnə)
(gə-lēnə)n.
A gray mineral, essentially PbS, the principal ore of lead.
[Latin galēna, lead ore.]
- subsp.
- subspecialist
- subspecialization
- subspecialize
- subspecialty
- subspecies
- subspecific
- subst.
- substage
- substance
- substance abuse
- substance abuser
- substance P
- substance use disorder
- substandard
- substantia gelatinosa
- substantial
- substantiality
- substantially
- substantialness
- substantia nigra
- substantiate
- substantiation
- substantival
- substantivally