fibers
fibers — noun
1. the long, thin threads that make up plants or human-made materials, often spun t
the long, thin threads that make up plants or human-made materials, often spun together to make cloth, rope, or other woven goods.
Trang spins cotton fibers into thread on her grandmother's old wooden wheel.
plural countable: spins [material] fibers into [product]
The factory in Da Nang weaves bamboo fibers into soft summer shirts.
collocation: weave [plant] fibers into [garment]
Arjun wore a sweater made from recycled plastic fibers and warm sheep's wool.
Under the microscope, the fibers of the old rope looked frayed and brown.
Tiny glass fibers carry light signals between continents along the deep sea cables.
文法句型
fibers of [material]
made from [adjective] fibers
用法筆記
Frequently plural. Subject or object is typically a material noun (cotton, wool, glass, plastic); commonly appears with verbs like spin, weave, twist, blend.
常見錯誤
2. the thin, thread-like parts inside the body that form muscles, nerves, and other
the thin, thread-like parts inside the body that form muscles, nerves, and other tissues, allowing them to stretch, contract, or send signals.
Heavy lifting can tear small muscle fibers, which heal back stronger after rest.
collocation: tear muscle fibers
The doctor showed Eli a photo of damaged nerve fibers in his lower back.
collocation: nerve fibers
Heart muscle fibers contract together to push blood through the body about once a second.
The injury cut several fibers of the leg muscle, so Christopher could barely walk.
Fast-twitch fibers help athletes like Feng sprint hard for short distances.
文法句型
muscle / nerve fibers
fibers of the [body part]
用法筆記
Almost always plural and typically preceded by the body part it belongs to (muscle, nerve, heart, optic). Distinguish from sense 1 by the body context.
常見錯誤
3. the rough parts of plant-based foods like fruits, vegetables, and whole grains t
the rough parts of plant-based foods like fruits, vegetables, and whole grains that the body cannot break down, helping the stomach and bowels work smoothly.
Oats, beans, and apples give João most of his daily fibers.
collocation: [foods] give [person] fibers
Doctors told Kian to eat more whole grains because his diet was low in fibers.
collocation: low in fibers
Brown rice keeps more of its natural fibers than the polished white version.
Élise adds chia seeds to her yogurt every morning for extra fibers.
A breakfast rich in fibers helps Ezra feel full until lunchtime.
文法句型
dietary fibers
[food] is high in fibers
用法筆記
In nutrition contexts the singular 'fiber' is more standard than 'fibers'; the plural appears mainly when listing types (soluble fibers, dietary fibers) or in informal speech.
常見錯誤
4. a person's basic strength of character — the inner quality that allows someone t
a person's basic strength of character — the inner quality that allows someone to act with courage, honesty, or principle, especially under pressure.
Soraya showed real moral fiber when she reported the unsafe building to the inspector.
fixed phrase: moral fiber
The old captain said modern leaders lacked the moral fiber of his generation.
collocation: lack the moral fiber
Years on the night-shift in the emergency room slowly tested Charlotte's moral fiber.
Yuki had the quiet fiber to keep helping refugees even after threats to her family.
- weakness
general lack of resolve or strength
文法句型
moral fiber
[person] lacks the fiber to [verb]
用法筆記
Almost always singular ('fiber') even on the 'fibers' page; the plural is non-standard for this sense. Most commonly appears in the fixed phrase 'moral fiber' or after 'lack/have/test the X fiber to do something'.