Keratin – Meaning, Definition, Synonyms and Antonyms
Keratin is a noun that names a fibrous structural protein found in hair, nails, skin, and some animal coverings. It helps protect tissues and gives them strength.
Meaning:
Keratin is a fibrous protein in the body (especially in hair, nails, and the outer layer of skin) that provides strength, structure, and protective coverage.
Definition:
Keratin is made from long chains of amino acids, forming tough fibers that create a protective barrier. It helps resist physical damage and dehydration and also supports the body’s defense against infection by maintaining the integrity of external surfaces.
Example Sentences:
- The nails are made of keratin, which helps them feel hard and durable.
- Keratin hair treatments are commonly marketed to help reduce frizz and improve shine.
- After a minor cut, the skin gradually rebuilds its outer layer, which relies on keratin-rich cells.
- The tough outer layer of an animal’s horn is composed of keratin.
- In biology class, we compared keratin to other structural proteins like collagen and elastin (both mentioned in the context of strength and flexibility).
Keratin Synonyms:
- Durability
- Fibrous protein
- Horn protein
- Knit (in the sense of woven/tightly structured material)
- Protein
- Structural protein
- Keratin-rich fiber
- Gel (in contexts where keratin-containing products form a coating or film)
Keratin Antonyms:
- Fragility
- Softness
- Breakability
- Vulnerability
- Decomposition
- Weakness
- Insulation (when contrasting lack of protective barrier qualities)
- Decay
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