One syllable: Cube.
kyoob
/kjub/
Cube is pronounced kyoob (/kjub/). It has one syllable (Cube), with the stress on "Cube". Cube is a small, square three-dimensional object with equal edges. In everyday use, the term also refers to a cube-shaped form in geometry or to the number six raised to the power of itself in some mathematical contexts. It is pronounced with one stressed syllable and a final /b/ closure, making the sound efficient and clipped in rapid speech.
nounCube is a small, square three-dimensional object with equal edges. In everyday use, the term also refers to a cube-shaped form in geometry or to the number six raised to the power of itself in some mathematical contexts. It is pronounced with one stressed syllable and a final /b/ closure, making the sound efficient and clipped in rapid speech.
"A dice is a cube with six faces."
"The sugar cube dissolved in the tea."
"He carved a perfect cube from a block of wood."
Cube is pronounced with a single syllable: /kjub/. Start with a /k/ release, then a /j/ as a glide (like the start of 'you'), followed by a short /u/ (as in 'go' but shorter), and finish with a voiced /b/. The IPA /kj/ represents the initial cluster; you should feel the tongue raise toward the hard palate for /j/ and finish with a light burst of air on /b/. Emphasize the brief, clipped final consonant. Audio references can be checked on Cambridge or Oxford dictionaries, or Forvo for native speaker recordings.
Common mistakes include pronouncing it as /kuːb/ with a long /u/ vowel or misplacing the /j/ as in /kjub/ becoming /kub/ or /kjub/ with a silent /j/. Another error is reducing the /k/ too softly, making it sound like /juːb/. To correct: ensure you release the /k/ with a crisp stop, add a brief /j/ glide immediately before the /u/ vowel, and finish with a clear /b/. Practice by saying /k/ + /j/ quickly, then a short /u/ and a clean /b/. Use tongue-tip contact with the alveolar ridge for /t/? No, focus on the hard palate contact for /j/ and a firm/bouncy final /b/.
In US, UK, and AU, cube is /kjub/ with a rhotic-ish quality in most American pronunciations and a short, clipped /u/. The difference lies less in vowel length than in the onset and rhoticity; most accents keep /kj/ as a single onset, and /b/ final is unreleased or released depending on emphasis. The main variation is vowel quality: American /ju/ is a close front-mid /ju/; UK often features a slightly more centralized /ʊ/ or near-close back vowel; Australian tends toward a centralized, tighter /jʊ/ with similar final /b/. Overall, the core /kj/ cluster and final /b/ remain consistent across accents.
Cube is challenging because of the consonant cluster /kj/ at the start, requiring a quick glide from /k/ to /j/ (a palatal approximant), followed by a short, focused /u/ vowel and a final /b/ that may be unreleased in rapid speech. The transition from a hard consonant to a glide sits near the teeth and palate, so delicate tongue placement matters. Additionally, many non-native speakers mishear the subtle /j/ onset and replace it with /k/ or remove it, leading to a malformed initial sound. Practice with isolates of /k/ + /j/ then connect to /u/ + /b/ to stabilize the sequence.
A unique angle is the short, tight vowel /u/ that follows the /j/ glide; learners often lengthen it or mispronounce it as /uː/ or /ʊ/. The /b/ final should be crisp but can be devoiced or omitted in rapid speech; aim for a clean stop release. The mouth positions matter: fronting the tongue toward the alveolar ridge for the /j/ while keeping the lips rounded enough for the /u/ can help the sound become stable. Ensure you maintain one-syllable stress with a compact, compact articulation.
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The word cube comes from Latin cubus, via Old French cub, from Latin qubus? (unclear). The English adoption traces back to Middle English, influenced by Old French cube and Latin cubus, which themselves derive from a Proto-Indo-European root *kwu- meaning ‘to bend or turn’? The exact lineage is debated, but by the 14th century, cube referred to a geometric solid with equal edges. In mathematics and geometry, the term gained traction as scholars described regular hexahedra and, later, as algebra and geometry expanded in the Renaissance. The pronunciation shifted over time toward a simpler /kjub/ cluster in many dialects; stress remained on the single syllable. The current US/UK/AU pronunciations converge around /kjub/ with initial velar stop /k/ followed by /j/ semivowel and final /b/ stop, though minor vowel adjustments around the diphthong vary by region. First identifiable written uses appear in scholastic Latin and Old French glossaries, with English records showing explicit references to a “cube” by the 1400s, and later mathematical treatises solidifying the term as a standard geometric descriptor. Modern usage extends to computer graphics, gaming, design, and math education, where the cube remains a canonical example of a regular hexahedron. Mappings of “cube” to forms and abstractions reflect the word’s enduring association with symmetry and compactness in many languages.
💡 Etymology tip: Understanding word origins can help you remember pronunciation patterns and recognize related words in the same language family.
Help others use "Cube" correctly by contributing grammar tips, common mistakes, and context guidance.
💡 These words have similar meanings to "Cube" and can often be used interchangeably.
🔄 These words have opposite meanings to "Cube" and show contrast in usage.
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Words that rhyme with "Cube"
-ube sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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