Word Study
sthenic
CIDE DICTIONARY
sthenic, a. [Gr. strength: cf. F. sthénique.].
Strong; active; -- said especially of morbid states attended with excessive action of the heart and blood vessels, and characterized by strength and activity of the muscular and nervous system; as, a sthenic fever. [1913 Webster]
OXFORD DICTIONARY
sthenic, adj. Med. (of a disease etc.) with a morbid increase of vital action esp. of the heart and arteries.
Etymology
Gk sthenos strength, after asthenic
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