| 单词 | chitin |
| 释义 | chitin —chitinous, adj. chitinoid, adj. /kuy"tin/, n. Biochem. a nitrogen-containing polysaccharide, related chemically to cellulose, that forms a semitransparent horny substance and is a principal constituent of the exoskeleton, or outer covering, of insects, crustaceans, and arachnids. [1830-40; < F chitine < Gk chit(ón) tunic, CHITON + F -ine -IN2] |
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