Chem. [f. TRI- 5 + NITR(IC + -IN1 (see ACETIN).] The compound ether or ester of glycerol or glycerin with nitric acid, C3H5(O.NO2)3, also called glyceryl trinitrate or more commonly and less correctly nitroglycerin; an oily liquid discovered in 1847, which when struck explodes violently; largely used in making dynamite and other explosives.
1866. Roscoe, Elem. Chem., xxxvi. 316. If the nitric acid employed … be concentrated, a new compound called Trinitrine or Trinitro-glycerine, is formed.
1898. Allbutt’s Syst. Med., V. 996. Trinitrine should be prescribed if any sign of intolerance of the iodides be noticed.
