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hypothyroidism

hy·po·thy·roid·ism [ hpō th royd ìzzəm ]


noun 
Definition:
 
low thyroid hormone production: a deficiency in the production of thyroid hormones, or the slowing of the metabolic rate that results. A severe deficiency can result in sluggishness and weight gain myxedema.


hy·po·thy·roid adjective
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