colophene

== English == === Etymology === From colophony +‎ -ene. === Noun === colophene (countable and uncountable, plural colophenes) (obsolete)(chemistry) A colorless oily liquid, formerly obtained by distillation of colophony (rosin), regarded as a polymeric form of terebenthene. ==== Usage notes ==== Like its synonym diterebene, the term is unused in chemistry literature since the 19th century, where its chemical formula was given as C20H32 ==== Synonyms ==== diterebene === References === “colophene”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.