English Dictionary

galena

/ɡəˈliː.nə/

noun

(mineralogy) A mineral, lead sulphide (PbS), mined as an ore for lead. / (medicine, obsolete) A remedy or antidote for poison; theriac

Galena is a common mineral in lead ore.

意味（1）

(mineralogy) A mineral, lead sulphide (PbS), mined as an ore for lead.

You can easily extract lead from galena, a natural mineral which has been used in crystal radio receivers.

意味（2）

(medicine, obsolete) A remedy or antidote for poison; theriac