WordReference Random House Unabridged Dictionary of American English © 2026
im•mu•no•dif•fu•sion
(im′yə nō di fyo̅o̅′zhən, i myo̅o̅′-),USA pronunciation n.
- Immunologyany of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate.
- immuno- + diffusion 1955–60
'immunodiffusion' also found in these entries (note: many are not synonyms or translations):