2 syllables: fi, bres. Stress on fi.
FEYE-burz
/ˈfaɪbɚz/
fibres is pronounced FEYE-burz (/ˈfaɪbɚz/). It has two syllables (fi-bres), with the stress on "fi". Fibres refers to long, slender strands forming the structural components of textiles, plants, or biological materials. In British English, fibres is the plural of fibre; in contexts like science or industry, it denotes multiple filament-like units. The term emphasizes the microscopic or macroscopic thread-like elements that contribute to strength, flexibility, or texture, depending on material.
Fibres refers to long, slender strands forming the structural components of textiles, plants, or biological materials. In British English, fibres is the plural of fibre; in contexts like science or industry, it denotes multiple filament-like units. The term emphasizes the microscopic or macroscopic thread-like elements that contribute to strength, flexibility, or texture, depending on material.
"The textile mill spun the fibres into a soft, durable fabric."
"Plant fibres such as cellulose provide rigidity to the stalks."
"Synthetic fibres are engineered for moisture-wicking and elasticity."
Pronounce as /ˈfaɪ.bəz/ in most UK and AU contexts, with the second syllable a schwa /ə/ and a final /z/. In US barrel contexts, you’ll hear /ˈfaɪ.bɚz/, with a rhotacized final syllable. Stress is on the first syllable. Tip: keep the /ɪ/ in 'fi-' light; avoid a heavy vowel before /b/. Audio reference: imagine 'fi' as in 'fly' and the second syllable as a soft, quick /bəz/.
The two most common errors are giving an /ɪ/ instead of /aɪ/ in the first syllable, and mispronouncing the final cluster as /z/ without voicing or as /s/ in final position. Correction: ensure the first syllable uses /aɪ/ (like 'fly'), not a short /ɪ/; end with /bz/ for British/AU, not /bs/; in American contexts, ensure the rhotic /ɚ/ shape before the final /z/.
US tends to /ˈfaɪ.bɚz/, with rhotic /ɚ/ and a darker, more centralized vowel in the second syllable. UK/AU prefer /ˈfaɪ.bəz/ with a reduced, unstressed second syllable vowel /ə/ and a final /z/ voiced as in /bəz/. The main differences are rhoticity and vowel quality in the second syllable; the first syllable remains /faɪ/ across accents.
The difficulty centers on the transition from a diphthong /aɪ/ in the first syllable to a reduced vowel in the second syllable and a voiced final consonant cluster /bz/. Some speakers slide into a tense /ɚ/ or misplace the tongue for /bz/. Practice focusing on keeping the first syllable clear and not swallowing the second syllable; ensure voicing of the final /z/ and avoid devoicing into /s/.
A unique feature is the contrast between non-rhotic (British) and rhotic (American) pronunciations in the second syllable. In non-rhotic dialects, you may perceive the /ɚ/ as a schwa before /z/ (or a lightly voiced /əz/), while rhotic dialects explicitly pronounce the /ɚ/ as a rhotic vowel. Recognizing this helps you adapt in mixed-context dialogue.
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Fibres comes from the singular fibre, from Latin fibra ‘thread, fibre,’ via Old French fibre. The root fibra traces further to Latin fibra and Proto-Indo-European *ghrebh-/*grebh- (to knot, braid, twist), reflecting the notion of something woven or twisted into a thread. In English, fibre entered Middle English and has been the dominant spelling in British English since the 19th century as the preferred form for materials science, biology, and textiles. The word’s meaning expanded from a literal thread to broader references such as structural elements in materials, mammalian nerves, or plant components. The pluralisation fibres follows regular English morphology, with pronunciation shifting slightly in rhotic vs non-rhotic accents, which also interacts with spelling conventions between British and American usage. First known use in English dates to early Modern English writings discussing textiles and natural threads, aligning with Latin and French borrowings that shaped scientific terminology across Europe.
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💡 These words have similar meanings to "fibres" and can often be used interchangeably.
🔄 These words have opposite meanings to "fibres" and show contrast in usage.
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Words that rhyme with "fibres"
-ers sounds
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