indole
/ˈɪndəʊl
/noun [mass noun] Chemistry
A crystalline organic compound with an unpleasant odour, present in coal tar and in faeces.
- A heteroaromatic compound with fused benzene and pyrrole rings; chemical formula: C8H7N.
- The absorbance band is narrowest for 3-methyl indole in pentane.
- Members of the family produce latex, diverse iridoids, cardioglycosides, and various alkaloids (notably indole and steroid groups), sometimes cyanogenic, rarely saponiferous.
Origin
Mid 19th century: blend of indigo (because obtained artificially from indigo blue) and Latin oleum 'oil'.
- superessive
- superette
- superexalt
- superexaltation
- superexalted
- superexcel
- superexcellence
- superexcellency
- superexcellent
- superexchange
- superexist
- superexistent
- superexpend
- superexpense
- super-extra
- superface
- super-fact
- superfamily
- superfan
- superfast
- superfatted
- superfatty
- superfecta
- superfecundation
- superfemale