2 syllables: Ob, late. Stress on late.
ah-BLAYT
/ɑˈbleɪt/
Oblate is pronounced ah-BLAYT (/ɑˈbleɪt/). It has two syllables (Ob-late), with the stress on "late". Oblate is an adjective describing a shape that is flattened at the poles or otherwise made flatter than a perfect sphere, often resembling a slightly squashed ball. It is used in geometry, geology, and astronomy, as in oblate spheroid or oblate moon. The term emphasizes deformation from roundness, usually due to rotation or external forces.
adjectiveOblate is an adjective describing a shape that is flattened at the poles or otherwise made flatter than a perfect sphere, often resembling a slightly squashed ball. It is used in geometry, geology, and astronomy, as in oblate spheroid or oblate moon. The term emphasizes deformation from roundness, usually due to rotation or external forces.
"The planet is barely visible through the telescope, appearing as an oblate spheroid."
"Earth’s shape is slightly oblate due to its equatorial bulge."
"The oblate moon profile challenges precise selenographic measurements."
You say OB-late, with stress on the first syllable. In IPA for US/UK/AU, it’s /ˈɒbleɪt/ in US and UK. The initial vowel is the open back /ɒ/ as in ‘lot,’ followed by /bl/ cluster, and the final /eɪt/ as in ‘late.’ For clarity, ensure the /b/ is released promptly after the /ɒ/ vowel to avoid a vowel-glide blend. Think: OB- (short, crisp) + late (long A sound).
Common errors include misplacing stress (saying oB-late) and mispronouncing the final diphthong as a short /ɪ/ or /ə/ instead of /eɪ/. Some speakers also voice the /t/ too softly, making it disappear. Correct by stressing the first syllable, releasing the /b/ clearly, and ending with a crisp /eɪt/; practice a clear /t/ to avoid glottal stop before the final vowel. Use minimal pairs like OB-late vs. ob-late to train the structure.
In US/UK, /ˈɒbleɪt/ with a broad /ɒ/ in the first vowel; rhoticity doesn’t heavily affect this word since /ɹ/ isn’t involved. In some US regional accents, the /ɒ/ may shift toward /ɑː/ or a more open /ɔ/ sound, but the /eɪ/ in the final remains stable. Australian speakers typically maintain /ˈɒbleɪt/ with a slightly shorter /ɒ/ and a greater vowel clarity on /eɪt/. The main variation lies in the vowel quality of the first syllable and the smoothing of the final diphthong.
The difficulty centers on the two-part structure OB- and LATE, with a middle /bl/ cluster that can blur in rapid speech. The final /eɪt/ diphthong requires a precise glide from /eɪ/ to /t/, which can be softened in connected speech. Additionally, the initial /ɒ/ vowel must be distinct from a more closed /ɔ/ or /ɑ/. Practice by isolating the onset /ɒ/ and then merging into /bl/ and finally /eɪt/ in slow, controlled sounds.
Yes. The stress is on the first syllable: OB-late. This is typical of many two-syllable adjectives with a closed consonant cluster in the onset. Keeping high stress on the first syllable helps the listener parse the word as a single adjective rather than an elongated two-syllable utterance. In rapid speech, you may hear a softer realization, but the primary stress remains locationally fixed on OB.
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- US: Emphasize clear /ɒ/ in OB. The /eɪ/ final should be a distinct diphthong, not a monophtongized /eː/. - UK: Maintain a crisp /ɒ/ with a gentle rounding for /b/ and a true /leɪt/ ending; avoid strong rhotacism. - AU: Similar to UK, but with a slightly broader vowel space; keep /ɒ/ open and ensure the /t/ is released; watch for vowel merging in fast speech.
Oblate comes from the Latin oblatus, past participle of offere ‘to carry toward, to present, to bear.’ In Latin, ob- means ‘toward,’ while latus means ‘carried, bearing, side.’ The form passed into English in the late 17th century, originally in mathematical and astronomical discourse. The sense of “flattened” arises from Latin oblatus in the sense of “flattened by being laid against” or “carried toward a plane,” later specialized to geometry. The term aligns with related geometric descriptors such as prolate (elongated along the axis) and spheroid (a rounded shape derived from a sphere). The word’s adoption into physics and geology followed the broader expansion of Cartesian geometry and the needs of celestial measurement, where bodies often deviate from perfect spheres due to rotation and internal structure. Today, oblate is standard in describing shapes that are compressed along the axis perpendicular to the flattening plane, especially in planetary science and mineralogy.
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Words that rhyme with "Oblate"
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