Definition of phenanthroline in English:

phenanthroline

noun

Chemistry
  • Each of a number of isomeric, crystalline, heteroaromatic compounds having the formula C₁₂H₈N₂, whose molecules have a tricyclic phenanthrene ring system in which one CH group in each of the two outer rings is replaced by a nitrogen atom; especially (in full "1,10-phenanthroline"), the ortho isomer, which is used as an indicator for iron, with which it forms a red-orange complex.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From phenanthr- + -oline, after German Phenanthrolin.

Pronunciation

phenanthroline

/fɛˈnanθrəliːn//fɪˈnanθrəliːn/