2 syllables: Di, ode. Stress on Di.
DEYE-ohd
/ˈdaɪˌoʊd/
Diode is pronounced DEYE-ohd (/ˈdaɪˌoʊd/). It has two syllables (Di-ode), with the stress on "Di". Diode is a semiconductor device that allows current to flow primarily in one direction, acting as a one-way valve for electric signals. It conducts when forward-biased and blocks when reverse-biased, enabling rectification and signal modulation. In electronics, diodes are essential for converting alternating current to direct current and protecting circuits from voltage spikes.
nounDiode is a semiconductor device that allows current to flow primarily in one direction, acting as a one-way valve for electric signals. It conducts when forward-biased and blocks when reverse-biased, enabling rectification and signal modulation. In electronics, diodes are essential for converting alternating current to direct current and protecting circuits from voltage spikes.
"The diode conducts the current in the forward direction but blocks it in reverse, making it useful for rectifiers."
"A silicon diode is used to protect circuits from reverse polarity."
"LEDs are a type of diode that emits light when forward-biased."
Pronounce as /ˈdaɪ.oʊd/ in US and /ˈdaɪ.əʊd/ in UK; stress on the first syllable. Start with an intense /daɪ/ (d as in day, ai as in eye), then a long /oʊ/ or /əʊ/ in the second syllable, ending with a crisp /d/. Think “DYE-ode,” with a clear second syllable that glides from /oʊ/ or /əʊ/ to /d/. Mouth: the tongue rises for /aɪ/, then the jaw drops into the rounded /oʊ/ vowel, and end with tongue tip touching alveolar ridge for /d/.”,
Common errors: (1) Merging syllables as /ˈdaɪd/ or /ˈdi.oʊd/ without the mid vowel; (2) Mispronouncing the /oʊ/ as a short /o/ or /ɔ/ in rapid speech; (3) Dropping the final /d/ or not releasing it clearly. Fix: keep the /oʊ/ or /əʊ/ as a distinct diphthong, don’t nasalize the end, and release the final /d/ with a crisp burst. Practice isolating /ˈdaɪ/ then /oʊd/ with a short pause between to confirm the diphthong and final plosive.
US: /ˈdaɪ.oʊd/ with a strong /oʊd/. UK: /ˈdaɪ.əʊd/ using /əʊ/ and a slightly lighter /d/ release. Australia: /ˈdaɪˌəʊd/ similar to UK but with non-rhotic tendencies and a broader /əʊ/ curve. In all, the main difference is the middle vowel treatment and the degree of rhoticity; Americans keep the /oʊ/ tightly, Brits lean toward /əʊ/ and a shorter middle syllable.
Because of the diphthong in the second syllable and the final voiceless /d/ release. The sequence /aɪ/ followed by /oʊ/ or /əʊ/ requires quick articulation and a precise lip shape change. Non-native speakers may neutralize the diphthong or misplace the tongue for /d/, especially in fast speech. Focusing on the distinct 2-syllable rhythm and practicing the diphthong transition helps overcome difficulty.
The combination of /aɪ/ (as in ‘eye’) followed by a forward-moving /oʊ/ or /əʊ/ requires actively relaxing the jaw between the nucleus of /aɪ/ and the rounded second vowel. This creates a noticeable glide and clear separation between the syllables—especially in careful or technical speech. Pay attention to the jaw drop and lip rounding on the /oʊ/ stage to avoid blending into /aɪoʊd/.
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Diode derives from the Greek prefix dia-, meaning through, across, and the suffix -ode from the Greek ode meaning traveling, part of a name ultimately tied to the idea of a component through which current travels. The term first appeared in the early 20th century with the development of vacuum-tube diodes like the cat’s whisker detector, and later with semiconductor diodes in solid-state electronics. The modern sense centers on devices that permit current flow predominantly in one direction, a property fundamental to rectification and signal processing. The word diodes thus traces its lineage through electrical engineering terminology, with “diode” formalized to contrast with bidirectional conductors. Early research in semiconductors in the 1920s-1940s gradually shifted the meaning to include PN-junction devices, and by mid-century, diodes were ubiquitous in radios, power supplies, and logic circuits. The etymology reflects a portmanteau-like construction from Greek roots, emphasizing movement through a barrier, aligning with the diode’s directional conduction behavior in circuits.
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Words that rhyme with "Diode"
-ide sounds
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