/vin blas"teen/ , n. Pharm.
an alkaloid, C 46 H 58 N 4 O 9 , derived from the periwinkle Vinca rosea, used in the treatment of various malignant conditions, esp. in the management of lymphomas.
[ 1960-65; Vin ( ca ) a periwinkle genus + (LEUKO)BLAST + -INE 2 ]