To alter or make obscure, as with the intention to deceive, especially a document.
To act as a medical doctor to.
To physically alter (medically or surgically) a living being in order to change growth or behavior.
To act as a medical doctor.
To genetically alter an extant species.
To make (someone) into an (academic) doctor; to confer a doctorate upon.
To adulterate, drug, or poison (drink).
A physician; a member of the medical profession; one who is trained and licensed to heal the sick or injured. The final examination and qualification may award a doctor degree in which case the post-nominal letters are D.O., DPM, M.D., DMD, DDS, in the US or MBBS in the UK.
A person who has attained a doctorate, such as a Ph.D. or Th.D. or one of many other terminal degrees conferred by a college or university.
A veterinarian; a medical practitioner who treats non-human animals.
A fish, the friar skate.
A nickname for a person who has special knowledge or talents to manipulate or arrange transactions.
To correct or amend (a mistake, defect etc.).
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.