Definition of factice in US English:

factice

(also factis)

noun

  • Any of several friable rubber-like substances made by vulcanizing unsaturated vegetable oils and used chiefly as compounding ingredients with rubber. Frequently with distinguishing word, as "brown factice", "white factice". Formerly also called rubber substitute.

Origin

Late 19th century; earliest use found in Analyst. From German Factis, Faktis from classical Latin factīcius artificial.

Pronunciation

factice

/ˈfaktɪs/