noun Chemistry.
a crystalline, water-insoluble, solid, unsaturated compound, C 14 H 10 , used chiefly in organic synthesis.
Also called diphenylacetylene.

variant of tolane. See toluene, -ane Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
tolan or tolane (ˈtəʊlæn, ˈtəʊleɪn)
a white crystalline derivative of acetylene; diphenylacetylene; diphenylethyne. Formula: C6H5C:CC6H5
[C19: from tol(uene) + -an (see -ane)]
tolane or tolane
[C19: from tol(uene) + -an (see -ane)]

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Tolan responded that no other agencies were helping to generate revenue.
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