ˈben(t)sˌjōnz- noun
Usage: usually capitalized B&J
Etymology: after Henry Bence-Jones died 1873 English physician and chemist
: a globulin or a group of globulins found in the blood serum and urine in multiple myeloma and occasionally in other bone diseases and usually characterized by coagulation at 50-60° C with partial redissolving at higher temperatures