4 syllables: os, cil, la, tor. Stress on os.
AH-suh-lay-tur
/ˈɑsəˌleɪtɚ/
oscillator is pronounced AH-suh-lay-tur (/ˈɑsəˌleɪtɚ/). It has four syllables (os-cil-la-tor), with the stress on "os". Oscillator (n.) a device or system that generates a repeating signal, such as an electronic circuit or mechanical mechanism that produces periodic oscillations. Often used in electronics, physics, and engineering contexts to refer to components like LC circuits or crystal oscillators that determine frequency. The term implies a regular, self-sustained motion or alternating waveform within a broader system.
Oscillator (n.) a device or system that generates a repeating signal, such as an electronic circuit or mechanical mechanism that produces periodic oscillations. Often used in electronics, physics, and engineering contexts to refer to components like LC circuits or crystal oscillators that determine frequency. The term implies a regular, self-sustained motion or alternating waveform within a broader system.
- Mistaking the middle syllable as a quick schwa: practice isolating /ɪ/ and keeping it crisp; - Slurring the end into a muffled /ɚ/ or /ə/; avoid turning the final syllable into an indistinct blur by clearly articulating /t/ and the rhotic vowel if present; - Misdirecting the initial stress by flattening the first syllable; ensure strong initial emphasis: /ˈɒs.ɪ.leɪ.tə/; - Ignoring the /leɪ/ diphthong, which should glide smoothly rather than be segmented. To fix: rehearse with slow pace, then add rhythm and increase speed, maintaining segment boundaries.
"The radio's oscillator stabilizes frequency to ensure clear reception."
"She designed an oscillator circuit that maintains a precise sine-wave output."
"Ancient clocks used pendulums as simple mechanical oscillators to regulate time."
Oscillator is pronounced as /ˈɒ.sɪ.leɪ.tər/ in UK English and /ˈɑː.sə.leɪ.tɔːr/ in US English, with primary stress on the first syllable. Break it into four syllables: OC-si-la-tor. Pay attention to the middle vowel: the /ɪ/ in the second syllable, and the /eɪ/ in the third. The final -tor often reduces to a schwa + r in American speech. You can listen to real-speech samples on Pronounce or Forvo for authentic rhythm and tone.
Common mistakes include slurring the middle syllable so it becomes /ɒs.ɪˈlə.tɔːr/ or misplacing the primary stress. Some say /ˈɒs.sə.leɪ.tɔr/ with a mary multiple t-sounds. A corrective approach: emphasize the ɪ in the second syllable (not an extra schwa scramble), keep the /leɪ/ as a clear diphthong, and end with a light /tər/ rather than a crisper /tɔːr/. Practice with slow enunciation: ˈɒs.ɪ.leɪ.təɹ.
In US English, you’ll hear /ˈɑː.sə.leɪ.tɔːɹ/ or /ˈɑː.sə.leɪ.tɚ/ with rhotic r and a schwa-like second syllable; the final -or tends to a rhotic syllable. UK English tends toward /ˈɒs.ɪ.læ.tɔː/ or /ˈɒs.ɪ.leɪ.tə/ with non-rhoticity in some speakers, and the final -or can be a pure /ɔː/ or a schwa depending on region. Australian English often features a broad diphthong in /ˈɒs.ɪ.leɪ.tə/ with less rhotic r coloring, and a slightly more centralized /ə/ in unstressed syllables. Check native speakers in Pronounce for nuanced regional variations.
The challenge lies in multiple syllables with a moving vowel sequence: /ɒs/ vs /ɪ/ versus /leɪ/; the long diphthong in the third syllable and the rhotacized ending in some dialects; plus ensuring the syllables are evenly weighted so the stress remains on the first. The cluster -sə- or -sɪl- can tempt reducing syllables. Focus on crisp transitions between /ɒ/ or /ɑ/ and /s/, then clearly articulate /leɪ/ as a single diphthong, finishing with /tər/ or /tɔː/ depending on accent.
A word-specific feature is the /ˌsɪˈleɪ/ sequence where the /s/ blends into a light alveolar /s/ and the /leɪ/ forms a noticeable diphthong. For many learners, the tricky part is not the initial OC syllable but the transition into the central unstressed syllable and the final -tor. You’ll want to land the primary stress on the first syllable, keep the second syllable short and clear, and deliver the /leɪ/ as a distinct glide into the final /tər/ or /tɔːr/.
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- US: rhotic /r/ at the end; ensure the final /ər/ is a relaxed schwa+r, not an overt rolled /r/. The /ˈɑs.ə.leɪ.tɔɹ/ variant compresses the final syllable; be careful with the /ɹ/ in careful enunciations. - UK: nonrhotic tendencies; final syllable often ends with a light /tə/ or /tə/ and less audible /r/. Emphasize the /ɒs/ first syllable, then /ɪ.leɪ/; keep /l/ light and the /eɪ/ as a crisp glide. - AU: similar to UK but with more vowel relaxation; avoid over-precise /ɔː/ and keep the /ɪ/ concise; the final /ə/ may be realized as a schwa; prefer /ˈɒs.ɪ.leɪ.tə/. IPA references included.
Oscillator comes from the Latin oscillare, meaning to swing to and fro, itself from sonorant o-scilare?; it entered English via scientific terminology in the 19th century as scientists described devices that produce oscillations. The root oscill is related to oscillare meaning to swing, with the -ator suffix denoting a thing that performs an action. Early references in physics and engineering referenced pendulums and vibrating devices; by the 20th century, electrical engineers adopted the term to denote components generating periodic waveforms, such as oscillators in radio transmitters and clock circuits. The word’s meaning expanded with electronics, replacing or augmenting older mechanical terms with a general sense of a device that creates a repetitive, regular motion or signal. First known uses appear in technical journals of the late 1800s and early 1900s as industrial and scientific instrumentation proliferated. The semantic evolution tracks from “to swing” to “device that causes a repeatable cycle” to the modern understanding of a circuit element that produces a stable frequency, phase, and waveform in diverse domains from physics to music synthesis.
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Words that rhyme with "oscillator"
-ter sounds
-tor sounds
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