2 syllables: fu, sion. Stress on fu.
/ˈfjuʒən/
fusion is pronounced /ˈfjuʒən/. It has two syllables (fu-sion), with the stress on "fu". Fusion refers to the process or result of joining two or more things into a single, unified entity. It can denote combining ideas, cultures, or technologies, and is used across science, art, and cuisine to describe integrated blends that retain elements of the originals while creating something new. The term emphasizes harmony, synthesis, and the merging of distinct parts into a cohesive whole.
Say it backFusion refers to the process or result of joining two or more things into a single, unified entity. It can denote combining ideas, cultures, or technologies, and is used across science, art, and cuisine to describe integrated blends that retain elements of the originals while creating something new. The term emphasizes harmony, synthesis, and the merging of distinct parts into a cohesive whole.
"The fusion of jazz and rock created a fresh, energetic sound."
"Culinary fusion blends spices and techniques from different traditions."
"The company specializes in fusion of data analytics with artificial intelligence."
Pronounce it as /ˈfjuː.ʒən/ in US and UK English, with two syllables: fu-si-on. The first syllable carries primary stress. Your mouth starts with a close back rounded vowel /uː/ after /f/, followed by the palato-alveolar approximant /ʒ/ like 'measure'. End with /ən/ (schwa-n). Listen for the smooth transition from /f/ to /juː/ to /ʒ/ to /ən/. Audio reference: consult pronunciation resources or dictionary audio for /ˈfjuː.ʒən/.
Common mistakes include elongating the middle /juː/ into /juː.jən/ or mispronouncing the /ʒ/ as /z/ or /ʃ/. Some say /ˈfjuː.zən/ with a simple /z/ cluster like fusion without the /ʒ/ friction. To correct: keep the /ʒ/ sound as a voiced palato-alveolar fricative (like 'measure'), ensure the /juː/ is a smooth glide from /f/ into /juː/, and finish with a soft /ən/ rather than a strong /ən/. Practice with minimal pairs to stabilize /ʒ/.
In all three accents, /ˈfjuː.ʒən/ emerges, but the vowel length and rhoticity differ. US/UK share non-rhotic tendencies in careful speech; post-vocalic /r/ is not relevant here. UK listeners may perceive a slightly shorter /juː/ and a crisper /ʒ/, while US speakers often have a gliding /ju/ softer. Australian English keeps the /juː/ but may show more centralized vowel quality and a slightly lighter /ʒ/. Overall, the main rhythm and syllable count stay two syllables across regions.
The difficulty lies in the palato-alveolar fricative /ʒ/ following a strong /juː/ glide, which can blur in rapid speech. Some speakers truncate the /juː/ or replace /ʒ/ with /ʃ/ or /z/, altering the word's characteristic sound. Achieve precision by practicing the sequence f - ju - ʒ - ən with careful mouth positioning: lips rounded for /juː/, tongue blade close to the palate for the /ʒ/. Slow it down, then accelerate.
Does fusion have a pronunciation variant when used as a verb (to fuse) or noun (a fusion) in the same sentence? Answer: The root word and IPA stay consistent: /ˈfjuː.ʒən/ for fusion. The related forms ‘to fuse’ is /fjuːz/ or /fjuːz/, and ‘fusing’ is /ˈfjuːzɪŋ/. In compound phrases, you still stress the base word fusion in two-syllable usage. Phonetic focus remains on the /ʒ/ in fusion, whereas to fuse reduces the emphasis on the syllable boundary.
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Fusion comes from the Latin fusio(n-), from fundere ‘to pour, to melt’. The root fuso- indicates a pouring or pouring together, reinforced in French as fusion, and later borrowed into English in the 17th century. The term originally appeared in scientific contexts describing the act of melting or fusing materials, then broadened to mean the merging of ideas, cultures, or systems. In chemistry and physics, fusion is the process of combining nuclei, releasing energy in the process, which reinforced the metaphorical use—two separate things becoming a single new thing. The sense of bringing together distinct elements evolved with industrial and cultural innovation, fueling later uses in art, music, cuisine, and technology to describe cross-disciplinary blending. The first known uses in English trace to scientific discourse around material fusion, with broader cultural adoption in the 19th and 20th centuries as interdisciplinary fields expanded. Today, fusion connotes both physical joining and conceptual synthesis, often signaling creativity and novelty arising from integration.
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💡 These words have similar meanings to "fusion" and can often be used interchangeably.
🔄 These words have opposite meanings to "fusion" and show contrast in usage.
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Words that rhyme with "fusion"
-ion sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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