hypothyroidism

American  

[hahy-puh-thahy-roi-diz-uhm] / ˌhaɪ pəˈθaɪ rɔɪˌdɪz əm /

noun

Pathology.

1. deficient activity of the thyroid gland.

2. the condition produced by a deficiency of thyroid secretion, resulting in goiter, myxedema, and, when untreated in children, intellectual disability.

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hypothyroidism British  

/ ˌhaɪpəʊˈθaɪrɔɪˌdɪzəm /

noun

1. insufficient production of thyroid hormones by the thyroid gland

2. any disorder, such as cretinism or myxoedema, resulting from this

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hypothyroidism Scientific  

/ hī′pō-thī′roi-dĭz′əm /

1. An abnormality of the thyroid gland characterized by insufficient production of thyroid hormone, which can result in a decreased basal metabolic rate, causing weight gain and fatigue.

2. Compare hyperthyroidism

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Other Word Forms

Derived Forms

• hypothyroid
  noun
• hypothyroid
  adjective

Etymology

Origin of hypothyroidism

First recorded in 1900–05; hypo- + thyroid + -ism

Example Sentences

Hypothyroidism is a disorder in which the thyroid gland does not produce enough thyroid hormones.

From Salon • Feb. 7, 2024

Hypothyroidism, underproduction of the thyroid hormones, can cause a low metabolic rate leading to weight gain, sensitivity to cold, and reduced mental activity, among other symptoms.

From Textbooks • Jun. 9, 2022

Hypothyroidism, a rare ailment, can cause cats to pack on pounds.

From Washington Post • Nov. 1, 2019

Hypothyroidism leads to mild weight gain. 5-20 lbs.

From Time • Jul. 20, 2013

Hypothyroidism, resulting in weight gain, cold sensitivity, and reduced mental activity.

From Textbooks • Apr. 25, 2013