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tolan

noun to·lan \ ˈtōˌlan \
variants: or less commonly tolane \-lān\

Definition of tolan

plural -s
:a white crystalline unsaturated hydrocarbon C6H5C≡CC6H5 obtained synthetically from stilbene :diphenyl-acetylene

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Origin and Etymology of tolan

International Scientific Vocabulary tol- + -an or -ane

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