Definition of cutin in US English:

cutin

noun

Biochemistry
  • A waxy, water-repellent substance occurring in the cuticle of plants and consisting of highly polymerized esters of fatty acids.

    • ‘They oxidize diverse substrates such as membrane sterols, lignin, and cutin as well as hormones.’
    • ‘The outside layer, or bloom, consists of wax plates and cutin, both of which resist water diffusion and hence water loss from the berry.’
    • ‘Cell walls resistant to acid digestion were considered to contain cutin.’
    • ‘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’.’
    • ‘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.’

Origin

Mid 19th century: from cutis + -in.

Pronunciation

cutin

/ˈkyo͞otn/