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Fiber |
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1)
Botanical definition |
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Fiber = long
narrow tapering cell, dead and hollow at
maturity, thick cell wall composed mostly of
cellulose and lignin, rigid, for support, found
mainly in vascular tissue. |
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2)
Commercial definition |
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Fiber = long
narrow flexible material, may be animal (hair,
wool), mineral (asbestos), synthetic (nylon,
dacron), or plant. See this list of natural
fibers. |
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3) Nutritional
definition |
| Fiber =
indigestible material in food. |
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