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tolan
noun
to·lan
\ˈtōˌlan\
variants: less commonly
tolane
\-lān\Definition of tolan
-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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