15-Letter Words Containing: IDI

• an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones

• an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones

• failure of one or both testes to move into the scrotum as the male fetus develops

• A protozoan, of the genus Cryptosporidium, that is an intestinal parasite of humans and other vertebrates; can cause diarrhea and other symptoms in cases of low immunity

• the condition of being amphidiploid

• pertaining to or characteristic of fungi of the class Basidiomycetes