reflectin

== English == === Etymology === From reflect + -in. === Noun === reflectin (countable and uncountable, plural reflectins) (biochemistry) A protein, found in certain squids, that self-organizes into a film of regularly spaced stripes, the separation of which functions as a tunable diffraction grating to produce a range of reflective colours in the animal's skin === Anagrams === fernticle