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Webster 1913 Edition

Letheon

Le′the-on

(lē′thē̍-ŏn)

,

Noun.

[NL., fr. Gr.

λήθη

.]

(Med.)

Sulphuric ether used as an anæsthetic agent.

[R.]

Definition 2024

letheon

letheon

English

Noun

letheon ‎(uncountable)

(medicine, archaic) sulphuric ether used as an anaesthetic agent.