Collins
World English Dictionary
fibre or fiber (ˈfaɪbə) [Click for IPA pronunciation guide]
 
n
1.  a natural or synthetic filament that may be spun into yarn, such as cotton or nylon
2.  cloth or other material made from such yarn
3.  a long fine continuous thread or filament
4.  the structure of any material or substance made of or as if of fibres; texture
5.  essential substance or nature: all the fibres of his being were stirred
6.  strength of character (esp in the phrase moral fibre)
7.  See dietary fibre
8.  botany
 a.  a narrow elongated thick-walled cell: a constituent of sclerenchyma tissue
 b.  such tissue extracted from flax, hemp, etc, used to make linen, rope, etc
 c.  a very small root or twig
9.  anatomy any thread-shaped structure, such as a nerve fibre
 
[C14: from Latin fibra filament, entrails]
 
fiber or fiber
 
n
 
[C14: from Latin fibra filament, entrails]
 
'fibred or fiber
 
adj
 
'fibered or fiber
 
adj
 
'fibreless or fiber
 
adj
 
'fiberless or fiber
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Fibre is always a great word to know.
So is callithumpian. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
Etymonline
Word Origin & History

fibre
British spelling of fiber (q.v.); for suffix, see -re.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Other teams have already sent quantum keys over long stretches of optical fibre.
Humans are, after all, increasingly using fibre optics to talk to each other.
If a pocket reaches the end of a fibre, it breaks off as a bubble.
The beam itself will be produced by a device called a fibre laser.
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