4 syllables: Pe, ri, do, tite. Stress on do.
pur-id-OH-teyet
/pɝɪˈdoʊtaɪt/
Peridotite is pronounced pur-id-OH-teyet (/pɝɪˈdoʊtaɪt/). It has four syllables (Pe-ri-do-tite), with the stress on "do". Peridotite is a coarse-grained ultramafic rock composed mainly of olivine and pyroxene, with lesser amounts of other minerals. It forms in the Earth's mantle and is a key source rock for basaltic magmas. The term denotes a rock type rather than a specific mineral, and its name reflects its mineral content rather than color. It is studied in geology to understand mantle processes and tectonics.
nounPeridotite is a coarse-grained ultramafic rock composed mainly of olivine and pyroxene, with lesser amounts of other minerals. It forms in the Earth's mantle and is a key source rock for basaltic magmas. The term denotes a rock type rather than a specific mineral, and its name reflects its mineral content rather than color. It is studied in geology to understand mantle processes and tectonics.
"The mantle xenoliths brought to the surface often consist of peridotite."
"Geologists classify peridotite as ultramafic due to its high magnesium and iron content."
"Peridotite plays a central role in models of mantle convection and crust-mantle interactions."
Pronounce as /ˌpɛrɪˈdoʊtaɪt/ in US, /ˌpærɪˈdɒtaɪt/ in UK, and /ˌpɛrɪˈdɒtaɪt/ in some AU sources. Break it into pe-ri-DOY-tite with primary stress on the third syllable: de- in -do-, and the final -ite sounds like 'ight'. Place the tongue mid-high for the 'e' in 'peri', keep lips neutral for 'd' then a light glide into the long 'o' followed by 't' and 'ahyt'. Audio references: you can compare with Forvo or Pronounce as a guide for native-like timing.
Common mistakes include stressing the wrong syllable (putting primary stress on the first or second syllable), mispronouncing the DOY portion as a short 'o' (say ‘doh’ as in 'dough'), and slurring the final 'ite' into 'it' or 'ite' as 'ight' with insufficient release. Correct these by emphasizing the third syllable with a clear long 'oʊ' and finishing with a crisp /taɪt/. Practice saying pə-rɪ-DOH-tahyt with strong secondary stress on the first syllable.
In US English, you’ll hear /ˌpɛrɪˈdoʊtaɪt/ with rhotic r and a clear long 'oʊ'. UK English often realizes a shorter first vowel and might place slightly different secondary stress as /ˌpærɪˈdɒtaɪt/ with a non-rhotic 'r' in many speakers. Australian English tends toward /ˌpɪrɪˈdɒtaɪt/ or /ˌpærɪˈdətaɪt/ with less vowel reduction and a flatter intonation. Focus on the long 'o' in -doʊ- for US, and the shorter 'ɒ' or 'ə' before -taɪt in UK/AU.
Three main challenges: the multi-syllable structure with stress shift to the third syllable; the long diphthong in -doʊ- that can be softened or shortened; and the final -tite cluster that ends with a clear /taɪt/ rather than a light 't' or 'it'. You also contend with a tricky alveolar stop followed by a high front tense vowel transitioning into /taɪt/. Practicing with slow, deliberate articulation and listening to native readings helps reduce hesitation.
A useful Q for search is: does the middle 'do' carry a strong vowel or a reduced schwa? In careful, scientific delivery, you typically articulate the middle vowel clearly as /oʊ/ in American and /ɒ/ or /ɒə/ in UK, giving a rhythm where -do- receives a distinct vowel and the final -ite is crisp. Tailor to audience: in teaching materials, start with /ˌpɛrɪˈdoʊtaɪt/ to establish the standard cadence, then show regional variants.
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Peridotite comes from the French peridotite, named after the mineral peridot, with the suffix -ite denoting a rock or mineral. The word peridot derives from Latin peridona, via Middle English and Old French, connected to the gemstone peridot, historically valued for its green color similar to the mineral olivine. The geological usage broadened in the 19th century to describe rocks dominated by olivine and pyroxene. The term crystallized as a technical rock name in petrology to differentiate ultramafic mantle-derived rocks from basaltic lavas and other lithologies. The first known uses appear in early petrography and field geology writings of the 1800s, where researchers distinguished sister ultramafic rocks from dunite and harzburgite groups, sharpening the classification of mantle-derived lithologies.
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Words that rhyme with "Peridotite"
-ite sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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