noun. A tough, protective, semitransparent substance, primarily a nitrogen-containing polysaccharide, forming the principal component of arthropod exoskeletons and the cell walls of certain fungi.

noun. The name given by Odier to the organic substance which forms the elytra and integuments of insects and the carapaces of Crustacea, and which may be obtained by exhausting the wing-cases of May-beetles or June-bugs with water, alcohol, ether, acetic acid, and boiling alkalis.

noun. A white amorphous horny substance forming the harder part of the outer integument of insects, crustacea, and various other invertebrates; entomolin.

noun. A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans.

noun. a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi

"Her chitin was the color of raw amethyst, the glow of her great golden compound eyes was significantly dimmed, and her antennae hung forward in limp arcs."

chitinous  

polyose  polysaccharide  

alga  bricke  carapace  color-blindness  exoskeleton  

entomolin