ˈzan(t)thəjə̇n, -ˌjen noun
( -s )
Etymology: International Scientific Vocabulary xanth- + -gen
: either of two univalent radicals:
a. : the radical C 2 H 5 OCSS− derived from xanthic acid (sense 1a)
b. : the radical HOCSS− derived from xanthic acid (sense 2)