2 syllables: Bu, tane. Stress on tane.
byoo-TAYN
/bjuˈteɪn/
Butane is pronounced byoo-TAYN (/bjuˈteɪn/). It has two syllables (Bu-tane), with the stress on "tane". Butane is a gaseous hydrocarbon used as a fuel and propellant, typically in lighter fuels and aerosol propellants. It consists of four carbon atoms and ten hydrogen atoms (C4H10) and exists as a flammable, colorless gas at room temperature that becomes a liquid under pressure. In common usage, the term refers to the straight‑chain or branched alkanes with four carbons, often encountered as a component of LPG blends.
nounButane is a gaseous hydrocarbon used as a fuel and propellant, typically in lighter fuels and aerosol propellants. It consists of four carbon atoms and ten hydrogen atoms (C4H10) and exists as a flammable, colorless gas at room temperature that becomes a liquid under pressure. In common usage, the term refers to the straight‑chain or branched alkanes with four carbons, often encountered as a component of LPG blends.
"The chef used a butane torch to caramelize the sugar."
"Industrial workers filled the canister with butane propellant."
"Butane is stored under pressure and kept away from heat sources."
Butane is pronounced /ˈbjuː.teɪn/ in US, UK, and AU varieties. The first syllable carries primary stress: BYOO- (sound like ‘you’ with a y). The second syllable is ‘teen’ without the t? Actually /teɪn/ rhymes with ‘main’ or ‘train’ except with a soft initial t. So something like ‘BYOO-tayn.’ Mouth position: start with a rounded, closed lip for /b/, then a long /uː/ as in ‘you,’ then a clear /t/ with the tongue tapping the alveolar ridge, and a final diphthong /eɪ/ into /n/. Audio examples: consult a dictionary audio or Pronounce resources for listening.
Common errors include misplacing stress (say ‘bu‑TANE’), substituting /juː/ with /uː/ as in ‘boat,’ or softening /t/ into a flap or [d]-like sound in rapid speech. To correct: keep primary stress on the first syllable, ensure the second syllable uses the /eɪ/ vowel rather than a pure /e/ or /aɪ/, and articulate the /t/ crisply before the final /n/. Practicing with minimal pairs like ‘you-tan’ vs ‘but‑tain’ can help fix the correct /ˈbjuː.teɪn/ pattern.
Across US/UK/AU, the primary variation lies in the /uː/ vowel quality and the rhoticity. US and AU generally retain rhoticity with a more rounded /uː/ in /ˈbjuː.teɪn/, while some non-rhotic UK varieties may slightly reduce the rhotic influence but still preserve the /juː/ onset. The /eɪ/ in the second syllable is a clear diphthong in all, but some UK speakers may show a tighter glide. Overall, all three maintain stress on the first syllable; differences are subtle and mostly vowel quality and the length of /u/.
The difficulty centers on the /juː/ onset after /b/ and the /eɪ/ diphthong in the second syllable. Learners may confuse /juː/ with /uː/ or fail to realize the two-syllable stress pattern. The alveolar /t/ before /eɪ/ requires a clean, released stop followed by a smooth glide; slurring or turning the /t/ into a soft d or a quick vowel reduction can alter intelligibility. Practice with slow, crisp articulation: /ˈbjuː.teɪn/.
A distinctive feature is the strong /juː/ onset following /b/, producing the CHEW-onset sound that sounds like ‘you’ with a leading consonant. The first syllable is stressed and the /t/ in the second syllable is crisply released before the /eɪ/ diphthong. This combination—initial bilabial stop, high front rounded vowel /uː/ leading into the /eɪ/—creates the characteristic two-syllable, high-front onset sound that some learners mispronounce if they reduce the /juː/ to a simple /uː/.
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Butane traces its origins to alkanes naming from the word ‘butane’ which denotes a four-carbon alkane. The root ‘but-’ is from Latin butyric/butyric acid lineage and from the Greek ‘butanos’ for straight-chain. The suffix ‘-ane’ marks saturated hydrocarbons. First used in the 19th century as chemists refined distillation of natural gas and crude oil, butane emerged as a practical fuel and propellant in early gas lighting and portable stoves. The term appeared in English texts in the late 1800s with the development of refined LPG blends and synthetic gas mixtures, and gained commercial permanence as pipelines and canister technologies matured in the 20th century. It has since become standard nomenclature in chemistry and industry for the C4H10 hydrocarbon family. In modern usage, strict IUPAC naming recognizes n-butane and isobutane as structural isomers of butane, both under the umbrella term butane in everyday language, with specific contexts clarifying the isomer when necessary.
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Words that rhyme with "Butane"
-ain sounds
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