rob-orant

roborant

[rob-er-uhnt] Medicine/Medical.
adjective
noun
2.
a tonic.

Origin:
1655–65; < Latin rōborant- (stem of rōborāns), present participle of rōborāre to strengthen, equivalent to rōbor- (stem of rōbur) oak, hardness + -ant- -ant

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World English Dictionary
roborant (ˈrəʊbərənt, ˈrɒb-)
 
adj
1.  tending to fortify or increase strength
 
n
2.  a drug or agent that increases strength
 
[C17: from Latin roborāre to strengthen, from rōbur an oak]

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