hypothyroxinemia

A subnormal thyroxine concentration in the blood.

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hy·po·thy·rox·in·emia or chiefly Brit hy·po·thy·rox·in·ae·mia .hī-pō-thī-'räk-sə-'nē-mē-ə n the presence of an abnormally low concentration of thyroxine in the blood

hy·po·thy·rox·in·emic or chiefly Brit hy·po·thy·rox·in·ae·mic -'nē-mik adj

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hy·po·thy·rox·in·emia (hi″po-thi-rok″sĭ-neґme-ə) abnormally low blood levels of thyroxine.