Definition of chitin

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

Lern More About Chitin

Pneumoskeleton :: Pneumoskeleton (n.) A chitinous structure which supports the gill in some invertebrates.
Taenidium :: Taenidium (n.) The chitinous fiber forming the spiral thread of the tracheae of insects. See Illust. of Trachea.
Tubulicole :: Tubulicole (n.) Any hydroid which has tubular chitinous stems.
Parapleura :: Parapleura (n.) A chitinous piece between the metasternum and the pleuron of certain insects.
Endophragma :: Endophragma (n.) A chitinous structure above the nervous cord in the thorax of certain Crustacea.
Chitinous :: Chitinous (a.) Having the nature of chitin; consisting of, or containing, chitin..
Gizzard :: Gizzard (n.) A stomach armed with chitinous or shelly plates or teeth, as in certain insects and mollusks..
Periostracum :: Periostracum (n.) A chitinous membrane covering the exterior of many shells; -- called also epidermis.
Seaboat :: Seaboat () A chitin.
Hair :: Hair (n.) A slender outgrowth from the chitinous cuticle of insects, spiders, crustaceans, and other invertebrates. Such hairs are totally unlike those of vertebrates in structure, composition, and mode of growth..
Urechitin :: Urechitin (n.) A glucoside extracted from the leaves of a certain plant (Urechitis suberecta) as a bitter white crystalline substance.
Nervure :: Nervure (n.) One of the chitinous supports, or veins, in the wings of incests..
Prophragma :: Prophragma (n.) An internal dorsal chitinous process between the first two divisions of the thorax of insects.
Sclerite :: Sclerite (n.) A hard chitinous or calcareous process or corpuscle, especially a spicule of the Alcyonaria..
Sertularian :: Sertularian (n.) Any species of Sertularia, or of Sertularidae, a family of hydroids having branched chitinous stems and simple sessile hydrothecae. Also used adjectively..
Odontophore :: Odontophore (n.) A special structure found in the mouth of most mollusks, except bivalves. It consists of several muscles and a cartilage which supports a chitinous radula, or lingual ribbon, armed with teeth. Also applied to the radula alone. See Radula..
Wing :: Wing (n.) One of the two pairs of upper thoracic appendages of most hexapod insects. They are broad, fanlike organs formed of a double membrane and strengthened by chitinous veins or nervures..
Radula :: Radula (n.) The chitinous ribbon bearing the teeth of mollusks; -- called also lingual ribbon, and tongue. See Odontophore..
Tooth :: Tooth (n.) Any hard calcareous or chitinous organ found in the mouth of various invertebrates and used in feeding or procuring food; as, the teeth of a mollusk or a starfish..
Chitin :: Chitin (n.) A white amorphous horny substance forming the harder part of the outer integument of insects, crustacea, and various other invertebrates; entomolin..
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