nCapsicin(Chem) A red liquid or soft resin extracted from various species of capsicum.
Century Dictionary and Cyclopedia
ncapsicinAn active principle (C9H14O2) obtained from the fruit of several species of the genus Capsicum, appearing in colorless crystals and extremely acrid. It is soluble in alcohol, and forms crystallizable salts with acetic, nitric, and sulphuric acids.
Webster's Revised Unabridged Dictionary
Their acridity is owing to an oleaginous substance called capsicin.
"The Commercial Products of the Vegetable Kingdom" by P. L. Simmonds