3 syllables: sul, phu, ric. Stress on ric.
/ˌsʌlfjʊˈrɪk/
sulphuric is pronounced /ˌsʌlfjʊˈrɪk/. It has three syllables (sul-phu-ric), with the stress on "ric". Sulphuric describes something relating to or derived from sulfur, especially the sulfuric acid H2SO4. It denotes a strong, corrosive chemical and can refer to compounds or processes involving sulfur. Used in chemistry and industrial contexts, it conveys a sense of intensity and reactivity unique to sulfur-containing substances.
Say it backSulphuric describes something relating to or derived from sulfur, especially the sulfuric acid H2SO4. It denotes a strong, corrosive chemical and can refer to compounds or processes involving sulfur. Used in chemistry and industrial contexts, it conveys a sense of intensity and reactivity unique to sulfur-containing substances.
"The lab prepared a sulphuric acid solution for the experiment."
"A sulphuric smell lingered after the reaction, signaling a dangerous, corrosive environment."
"Industrial workers handle sulphuric materials with strict safety protocols."
Pronounce as /ˌsəlˈfjʊrɪk/ (US) or /ˌsʌlˈfjʊərɪk/ (UK/AU). The key is the 'sul' beginning, then a strong secondary syllable 'fyu' with the /fj/ sequence, and the final 'ric' as /ɪk/. The primary stress sits on the second syllable: sul-FYU-rik. Tip: keep the 'l' light after the initial /s/, and avoid turning 'ph' into an /f/ sound—here it represents the /f/ plus /j/ blend in 'fju'.
Common errors: misplacing the stress by saying sul-FYU-rik with wrong emphasis; pronouncing the /fj/ as a hard /f/ or /j/ combo incorrectly; mispronouncing the 'phu' as /fju/ instead of a clean /fjʊr/ sequence. Correction: emphasize secondary stress on the /fjʊr/ block, produce /f/ + /j/ together as /fj/, and ensure the final /ɪk/ is crisp rather than a prolonged vowel.
US tends to have /ˌsəlˈfjʊrɪk/, with rhotic r and a shorter /ɪ/ at the end; UK/AU favor /ˌsʌlˈfjʊərɪk/, with non-rhotic or light rhoticity and a longer /ɔː/ or /ɔː/ in the /fjʊə/ cluster. The key differences are rhoticity and vowel length: US might show a more pronounced /r/; UK/AU often have a less pronounced /r/ and a longer diphthong in the /fjʊə/ portion.
The difficulty comes from the consonant cluster /fj/ in the middle, the derived /ɪk/ ending, and the stress on the second syllable. The combination of 'ph' as /f/ followed by /j/ makes it easy to mispronounce as /ˈsʌlfərɪk/ or /ˈsəlfjuːrɪk/. Focus on producing /fj/ as a tightly blended consonant, and keep the vowel qualities accurate in both /fjʊr/ and final /ɪk/.
A unique feature is the vowel quality in the stressed nucleus and the /fj/ sequence, which is a rare consonant blend for many learners. The 'ph' digraph adds complexity, representing an f sound adjacent to a y-like glide. Precise articulation of /fj/ and retaining a crisp alveolar /l/ after initial /s/ are essential for an authentic pronunciation.
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Sulphuric originates from the element sulfur (British spelling sulphur) combined with the suffix -ic to form an adjective meaning 'of or relating to sulfur.' The word sulfur itself traces to Latin sulphur, from Greek Theion, related to the ancient Hellenic and Roman mineral knowledge; a further Indo-European root may connect to words for ‘yellow’, reflecting the element’s common mineral form. The chemical sense emerged in the early modern era as chemistry formalized inorganic compounds; 'sulphuric acid' was identified and characterized in the 8th–18th centuries, with Lavoisier and others studying sulfuric compounds extensively. The spelling sulphuric persists in British English, while American English often uses sulfuric, though sulphuric remains correct in many scientific contexts across the globe. The term gained prominence with industrial chemistry in the 19th century as sulfuric acid became central to fertilizers, dyes, and explosives, embedding 'sulphuric' as a foundational descriptor for acids and sulfur-containing compounds.
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Words that rhyme with "sulphuric"
-ar) sounds
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