To soil, stain, corrupt, or infect by contact or association.
To infect, often with bad objects
To make something dangerous or toxic by introducing impurities or foreign matter.
To make unfit for use by the introduction of unwholesome or undesirable elements.
To adjust (a globe or sundial) to prepare for the solution of a proposed problem.
To restore (someone or something) to its proper condition; to straighten out, to set right.
To determine the length of a curve included between two limits.
To purify or refine (a substance) by distillation.
To produce (as factitious gin or brandy) by redistilling bad wines or strong spirits (whisky, rum, etc.) with flavourings.
To remedy or fix (an undesirable state of affairs, situation etc.).
To convert (alternating current) into direct current.
To correct or amend (a mistake, defect etc.).