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Chitin - Meaning, Definition & English Examples

Chitin is a tough, fibrous substance found in the exoskeletons of insects and crustaceans, as well as the cell walls of fungi. It provides structure and protection.

chitin

/ˈkaɪtn̩/ /ˈkaɪtɪn/

Definition:

A tough polysaccharide forming the exoskeleton of arthropods and cell walls of fungi.

Synonyms:

polysaccharide, biopolymer, structural carbohydrate

Part of Speech:

noun

Antonyms:

soft tissue, flesh

Common Collocations:

chitin shell, chitin production, chitin degradation

Derivatives:

chitinous, chitinase

Usage Tips:

Use "chitin" to describe the hard outer layer of insects or fungi, not soft tissues.

Common Phrases:

chitin armor, chitin shield, chitin-based material

Etymology:

From French "chitine," derived from Greek "khitōn" (tunic), due to its protective function.

Examples:

  • 1. The beetle's exoskeleton is made of chitin.
  • 2. Chitin provides strength to fungal cell walls.
  • 3. Scientists study chitin for biodegradable materials.
  • 4. Crabs molt to shed their old chitin shells.

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