ephedra

[ih-fed-ruh, ef-i-druh]
noun
any of various plants of the genus Ephedra, growing in dry regions and having branching stems with dry scalelike leaves.

Origin:
< Neo-Latin (Linnaeus) < Greek ephédra the horsetail plant, literally, sitting (upon a place), equivalent to ep- ep- + hédra seat, sitting (see cathedra)

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ephedra (ɪˈfɛdrə)
 
n
any gymnosperm shrub of the genus Ephedra, of warm regions of America and Eurasia: the source of ephedrine: family Ephedraceae, phylum Gnetophyta
 
[C18: New Latin, from Latin, from Greek ephedros a sitting upon, from epi- + hedra seat]

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Word Origin & History

ephedra
1917, from Mod.L., coined by Linnæus (1737) from Gk. ephedra, lit. "sitting upon," from fem. of ephedros, from epi "on" + hedra "seat, base, chair, face of a geometric solid," from PIE base *sed- "to sit" (see sedentary).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Ephedra is practically a molecular twin to methamphetamine, or speed.
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