ra·​dio·​al·​ler·​go·​sor·​bent ˌrā-dē-ō-ə-ˌlər-gō-ˈsȯr-bənt How to pronounce radioallergosorbent (audio)
: 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


radi- + allergen + -o- + sorbent

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of radioallergosorbent was in 1967

Dictionary Entries Near radioallergosorbent

Cite this Entry

“Radioallergosorbent.” Dictionary, Merriam-Webster, Accessed 22 May. 2024.

Medical Definition


ra·​dio·​al·​ler·​go·​sor·​bent -ə-ˌlər-gō-ˈsȯr-bənt How to pronounce radioallergosorbent (audio)
: relating to, involving, or being a radioallergosorbent test
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