Definition of phytosterol in English:

phytosterol

noun

Biochemistry
  • Any sterol which is found in plant tissues (at first supposed to represent a single distinct substance analogous to cholesterol).

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From phyto- + -sterol.

Pronunciation

phytosterol

/fʌɪˈtɒstərɒl/