Definition of phlorizin in US English:

phlorizin

noun

Chemistry
  • A crystalline compound, C₂₁H₂₄O₁₀, which is a glucoside of phloretin, occurs widely in apple and other fruit trees, and acts biochemically as an uncoupler.

Origin

Mid 19th century; earliest use found in American Journal of Science. From French phloridzin or its etymon German Phloridzin from ancient Greek ϕλοιός bark + ῥίζα root + German -in.