The difference between Doctor and Leech

When used as nouns, doctor means a physician, whereas leech means an aquatic blood-sucking annelid of class hirudinea, especially .

When used as verbs, doctor means to act as a medical doctor to, whereas leech means to apply a leech medicinally, so that it sucks blood from the patient.

check bellow for the other definitions of Doctor and Leech

  1. Doctor as a noun:

    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, DPT, DC, Pharm.D., in the US or MBBS in the UK.

    Examples:

    "If you still feel unwell tomorrow, see your doctor."

  2. Doctor as a noun:

    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.

  3. Doctor as a noun:

    A veterinarian; a medical practitioner who treats non-human animals.

  4. Doctor as a noun:

    a person who has special knowledge or talents to manipulate or arrange transactions.

  5. Doctor as a noun (obsolete):

    A teacher; one skilled in a profession or a branch of knowledge; a learned man.

  6. Doctor as a noun (dated):

    Any mechanical contrivance intended to remedy a difficulty or serve some purpose in an exigency.

    Examples:

    "the doctor of a calico-printing machine, which is a knife to remove superfluous colouring matter"

    "the doctor, or auxiliary engine, also called "donkey engine"

  7. Doctor as a noun:

    A fish, the friar skate.

  1. Doctor as a verb (transitive):

    To act as a medical doctor to.

    Examples:

    "Her children doctored her back to health."

  2. Doctor as a verb (intransitive, humorous):

    To act as a medical doctor.

  3. Doctor as a verb (transitive):

    To make (someone) into an (academic) doctor; to confer a doctorate upon.

  4. Doctor as a verb (transitive):

    To physically alter (medically or surgically) a living being in order to change growth or behavior.

    Examples:

    "They doctored their apple trees by vigorous pruning, and now the dwarfed trees are easier to pick."

    "We may legally doctor a pet to reduce its libido."

  5. Doctor as a verb (transitive):

    To genetically alter an extant species.

    Examples:

    "Mendel's discoveries showed how the evolution of a species may be doctored."

  6. Doctor as a verb (transitive):

    To alter or make obscure, as with the intention to deceive, especially a document.

    Examples:

    "To doctor the signature of an [[instrument]] with intent to defraud is an example of [[forgery]]."

  7. Doctor as a verb (intransitive, obsolete):

    To take medicine.

  1. Leech as a noun:

    An aquatic blood-sucking annelid of class Hirudinea, especially .

  2. Leech as a noun (figuratively):

    A person who derives profit from others in a parasitic fashion.

  3. Leech as a noun (medicine, dated):

    A glass tube designed for drawing blood from damaged tissue by means of a vacuum.

  1. Leech as a verb (transitive):

    To apply a leech medicinally, so that it sucks blood from the patient.

  2. Leech as a verb (transitive):

    To drain (resources) without giving back.

    Examples:

    " Bert leeched hundreds of files from the BBS, but never uploaded anything in return."

  1. Leech as a noun (archaic):

    A physician.

  2. Leech as a noun (paganism, Heathenry):

    A healer.

  1. Leech as a verb (archaic, rare):

    To treat, cure or heal.

  1. Leech as a noun (nautical):

    The vertical edge of a square sail.

  2. Leech as a noun (nautical):

    The aft edge of a triangular sail.

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