Athyrea is a word that is spelled in a unique way. The pronunciation of this word is /æˈθɪərə/. It is a combination of two roots: "a" meaning without and "thyrea" meaning an inflammation of the thyroid gland. This word is interesting because it is not a common term and is only used in the medical field. The distinct spelling is a result of the origin of its roots. Therefore, if you find this word challenging to spell, remember its roots and use IPA phonetic transcription as a guide.
Absence of the thyroid gland, or deficiency of the thyroid secretion; myxedema.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.