Letheon definitions

Letheon

• (n.) Sulphuric ether used as an anaesthetic agent.
Found on http://thinkexist.com/dictionary/meaning/letheon/

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Letheon

Le'the·on (lē'the*ŏn) noun [ New Latin , from Greek lh`qh .] (Medicine) Sulphuric ether used as an anæsthetic agent. [ R.]
Found on http://www.encyclo.co.uk/webster/L/32

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