Dictionary.com
Thesaurus.com

hypoadrenalism

American  
[hahy-poh-uh-dreen-l-iz-uhm, -uh-dren-] / ˌhaɪ poʊ əˈdrin lˌɪz əm, -əˈdrɛn- /
Also hypoadrenia

noun

  1. underactivity of the adrenal gland, as in Addison's disease.


Etymology

Origin of hypoadrenalism

hypo- + adrenal + -ism