radioallergosorbent
adjective
ra·dio·al·ler·go·sor·bent ˌrā-dē-ō-ə-ˌlər-gō-ˈsȯr-bənt 
: relating to or being a blood analysis that tests for allergen-specific antibodies of the immunoglobulin class IgE and is used to detect allergic reactions
Word History
Etymology
radi- + allergen + -o- + sorbent
First Known Use
1967, in the meaning defined above
Medical Definition
radioallergosorbent
adjective
ra·dio·al·ler·go·sor·bent -ə-ˌlər-gō-ˈsȯr-bənt
: relating to, involving, or being a radioallergosorbent test