noun, feminine

hyperthyroïdie

/i.pɛʁ.ti.ʁɔ.i.di/

noun, feminine/i.pɛʁ.ti.ʁɔ.i.di/plural: hyperthyroïdies

hyperthyroïdie is feminine in French.

hyperthyroidism

From hyper- + thyroïde + -ie.