a tissue culture consisting of cancer cells fused to lymphocytes to mass-produce a specific antibody
hybrid + (myel)oma
See hybridoma in American Heritage Dictionary 4
A cell that is produced in the laboratory from the fusion of an antibody-producing lymphocyte and a nonantibody-producing cancer cell, usually a myeloma or lymphoma. It proliferates and produces a continuous supply of a specific monoclonal antibody.