What is "tolane"

Tolane \To*lane"\, n. [From Toluene.] (Chem.) A hydrocarbon, C14H10, related both to the acetylene and the aromatic series, and produced artificially as a white crystalline substance; -- called also diphenyl acetylene.

n. (context organic compound English) A hydrocarbon, C₁₄H₁₀, related to the acetylene and the aromatic series.