One of the mysteries of the English language finally explained.
A waxy water-repellent substance in the cuticle of plants, consisting of highly polymerized esters of fatty acids.
- ‘The cuticle of terrestrial vascular plants and some bryophytes consists mainly of two hydrophobic components, the biopolymer cutin and a mixture of lipids, which are usually called ‘waxes’.’
- ‘Cell walls resistant to acid digestion were considered to contain cutin.’
- ‘The outside layer, or bloom, consists of wax plates and cutin, both of which resist water diffusion and hence water loss from the berry.’
- ‘The inner layer, being concealed against adhesive sampling, must be located within the mechanically resistant polymer matrix of cutin and can, hence, be interpreted as intracuticular wax.’
- ‘They oxidize diverse substrates such as membrane sterols, lignin, and cutin as well as hormones.’
Mid 19th century: from cutis + -in.
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