a learning disability characterised by an inability to perform simple mathematical problems.

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    a method for differential staining of bacteria.

    an acute infectious bacterial disease resulting in inflammation and formation of a false membrane in the throat causing difficulty in breathing and swallowing.

    any restriction or lack of ability to perform an activity in a manner or within the range considered normal for a human being.

    a mental disease marked by a breakdown in the relation between thoughts, feelings and actions, frequently accompanied by delusions and retreat from social life.

    to cause the digestion or dissolution of bacteria

    morbid fear of teeth.

    a qualitative characteristic.

    the breastbone.

    an operation to narrow the area at the back of the nose and throat as in selected cases of snoring..

    removal of substances.

    a contagious bacterial skin infection forming pustules and yellow crusty sores.

    one who has yellow teeth.

    increased density and hardness of dentin, which may occur after the dentin is exposed

    Pertaining to old age

    food poisoning usually caused by the eating of the poisonous substance produced by the bacterium Clostridium botulinum from improperly canned or preserved food.