sesqui-


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Related to sesqui-: Hepta

sesqui-

Prefix denoting 3/2; at one time used in chemistry to indicate a ratio of 3:2 between the two parts of a compound (for example, sesquisulfide, sesquibasic), but presently used only for sesquihydrates and sesquiterpenes.
[L.]

sesqui-

[L. sesqui-, one and a half]
Prefix meaning one and a half.
References in periodicals archive ?
urens are composed of chemical components belonging to the secondary metabolite classes, which include the anthraquinones, coumarins, anthracene derivatives, mono-, sesqui-, di- and triterpenes, steroids and water-soluble tannins.
La acunacion, probablemente, pues, ciceroniana, esta formada sobre el prefijo sesqueo sesqui- al que se une el adjetivo partitivo, que indica que fraccion del numero n se debe sumar al numero n entero.
Absorptions at 1170 and 1145 [cm.sup.-1] typical of isopropyl groups derived from lignin decomposition are more visible in semicoking liquids, while mono-, sesqui-, and polyterpenes manifest themselves at 2800-3000 and 800-840 [cm.sup.-1] conspicuously in bark- and needle-derived liquids.