fiber
A thread-like structure or substance found in plants, animals, or minerals, used to make textiles or supporting biological tissue. In nutrition, it refers to the indigestible part of plant foods that is essential for healthy digestion and preventing disease.
Examples
3 of 5I try to eat a lot of fruit and vegetables to make sure I get enough dietary fiber.
I try to eat a lot of fruit and vegetables to make sure I get enough dietary fiber.
The architectural integrity of the structure depends on the high-tensile carbon fiber reinforcements.
The architectural integrity of the structure depends on the high-tensile carbon fiber reinforcements.
This old sweater is leaving little bits of fiber all over my shirt.
This old sweater is leaving little bits of fiber all over my shirt.
Antonyms
Word Family
Memory Tip
Think of a 'fine fiber'—both words start with 'fi' and fibers are often very fine, thin threads.
Quick Quiz
Doctors recommend a diet high in ___ to improve digestive health.
Correct!
The correct answer is: fiber
Examples
I try to eat a lot of fruit and vegetables to make sure I get enough dietary fiber.
everydayI try to eat a lot of fruit and vegetables to make sure I get enough dietary fiber.
The architectural integrity of the structure depends on the high-tensile carbon fiber reinforcements.
formalThe architectural integrity of the structure depends on the high-tensile carbon fiber reinforcements.
This old sweater is leaving little bits of fiber all over my shirt.
informalThis old sweater is leaving little bits of fiber all over my shirt.
Researchers found that a high-fiber intake is inversely correlated with the risk of cardiovascular disease.
academicResearchers found that a high-fiber intake is inversely correlated with the risk of cardiovascular disease.
We are upgrading the entire office building with fiber-optic cables for faster internet speeds.
businessWe are upgrading the entire office building with fiber-optic cables for faster internet speeds.
Antonyms
Word Family
Common Collocations
Common Phrases
moral fiber
strength of character
fiber-rich
containing a lot of fiber
optical fiber
a thin glass thread used for transmitting light
Often Confused With
This is simply the British English spelling of the same word.
Fabric is the finished cloth, whereas fiber is the individual thread that makes it up.
Usage Notes
Use 'fiber' when discussing nutrition (roughage) or technology (fiber optics). Note that in US English it is 'fiber', while in UK English it is 'fibre'.
Common Mistakes
Learners often treat 'fiber' as a countable noun when referring to nutrition; however, in a dietary context, it is usually uncountable.
Memory Tip
Think of a 'fine fiber'—both words start with 'fi' and fibers are often very fine, thin threads.
Word Origin
Derived from the Latin 'fibra', meaning a leaf, filament, or entrail.
Grammar Patterns
Cultural Context
In Western health culture, 'high-fiber' diets are heavily promoted for longevity and gut health.
Quick Quiz
Doctors recommend a diet high in ___ to improve digestive health.
Correct!
The correct answer is: fiber
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