[f. CONDITION v. + -ER.]

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  † 1.  One that makes conditions, a bargainer. Obs.

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1598.  Florio, Patteggiatore, a bargainer, a covenanter, a conditioner, a promiser.

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  2.  An agent that brings into good condition.

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1888.  Advt., in Amer. Farmer (Chicago), Dec. Charcoal Powders … A splendid conditioner and medicine.

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