【英语词汇】Word of the Day for Tuesday July 27, 2004

roborant \ROB-uh-ruhnt\, adjective:
Strengthening; restoring vigor.

adjective:
A strengthening medicine; a tonic; a restorative.

A major field study of the effect of pollen extracts on the common cold and its roborant . . . effects in 775 Swedish military recruits did not give unequivocal results in relation to the prophylactic effect of the preparation used against the common cold.
--James P. Carter, Racketeering in Medicine

That day, I felt the need of a roborant after my ghost-ridden night, and I swigged down two doses.
--William Least Heat Moon, River Horse

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Roborant derives from the present participle of Latin roborare, "to strengthen," from robur, roboris, "strength."