online vocabulary.com

Polysaccharide - Meaning, Definition & English Examples

A polysaccharide is a complex carbohydrate made of many sugar molecules linked together. It serves as energy storage or structural support in plants and animals, like starch or cellulose.

polysaccharide

/ˌpɑliˈsækəˌraɪd/ /ˌpɒliˈsækəraɪd/

Definition:

A carbohydrate composed of many monosaccharide units bonded together, serving as energy storage or structural components in organisms.

Synonyms:

glycan, complex carbohydrate, oligosaccharide

Part of Speech:

noun

Antonyms:

monosaccharide, disaccharide

Common Collocations:

dietary polysaccharide, structural polysaccharide, plant polysaccharide

Derivatives:

polysaccharidic, polysaccharidase

Usage Tips:

Use "polysaccharide" when referring to complex carbohydrates like starch or cellulose in biological contexts.

Common Phrases:

energy storage polysaccharide, plant cell wall polysaccharides, bacterial polysaccharides

Etymology:

From Greek "poly-" (many) + "saccharon" (sugar), meaning a chain of sugar molecules.

Examples:

  • 1. Starch is a common polysaccharide found in potatoes and grains.
  • 2. Cellulose, a structural polysaccharide, gives plants their rigidity.
  • 3. Glycogen serves as a polysaccharide energy reserve in animals.
  • 4. Some bacteria produce extracellular polysaccharides for protection and adhesion.

MORE VOCABULARY LISTS