5 syllables: hy, dro, e, lec, tric. Stress on lec.
heye-droh-il-EK-trik
/ˌhaɪdɹoʊɪˈlɛktɹɪk/
hydroelectric is pronounced heye-droh-il-EK-trik (/ˌhaɪdɹoʊɪˈlɛktɹɪk/). It has five syllables (hy-dro-e-lec-tric), with the stress on "lec". Hydroelectric refers to electricity generated by harnessing the energy of flowing or falling water, typically via dams or waterfalls. It combines water power with electrical generation, converting mechanical energy into electrical energy. The term is used across engineering, energy policy, and power-generation contexts to describe a clean, renewable source of electricity.
Hydroelectric refers to electricity generated by harnessing the energy of flowing or falling water, typically via dams or waterfalls. It combines water power with electrical generation, converting mechanical energy into electrical energy. The term is used across engineering, energy policy, and power-generation contexts to describe a clean, renewable source of electricity.
- Misplacing stress or making it too even across all syllables, resulting in /ˌhaɪdroʊɪˈlɛktrɪk/ sounding flat. Tip: practice saying the pain points and then re-balance stress to the third syllable. - Slurring the /t/ before the final /rɪk/ (e.g., /-trɪk/ becoming /-trɪk/ with no crisp /t/). Tip: add a brief, audible stop for /t/ and then release into /rɪk/. - Weak middle vowel in hydro- or mispronouncing /droʊ/ as /drəʊ/ across dialects. Tip: keep the /oʊ/ diphthong distinct and avoid reducing to /ə/.
"The hydroelectric plant supplies most of the region’s power."
"Researchers are evaluating hydroelectric efficiency improvements with turbine upgrades."
"We visited a hydroelectric dam to learn how water flow turns turbines."
Pronounce as /ˌhaɪdroʊɪˈlɛktrɪk/ (US) or /ˌhaɪdrəʊˈlektrɪk/ (UK). The stress lands on the third syllable: hy-dro-E-lect-ric. Start with a clear /haɪ/ (like hi), then /droʊ/ as 'droh', followed by a light /ɪ/ and a stressed /ˈlɛk/ (lek) before /trɪk/. The sequence hydro- acts as a weak though important prefix; avoid separating the syllables too aggressively. Reference audio from standard dictionaries or Pronounce for listening practice.
Two common errors are misplacing stress and mispronouncing the /draɪ/ in hydro as one syllable (/haɪdri-/. Also, speakers may reduce the /ˈlɛk/ cluster by slurring /lɛk/ into /lek/ or mispronouncing the final /ɪk/. Correction: keep the stress on the third syllable (hy-dro-E-lect-ric), clearly enunciate /droʊ/ and /ˈlɛk/ with a crisp /t/ before /ɪk/. Practice by segmenting: /ˌhaɪ.droʊ.ɪˈlɛk.trɪk/ and slowly rebuild speed.
In US English, you’ll hear /ˌhaɪdroʊɪˈlɛktrɪk/ with rhotic /r/ and clear /droʊ/. UK English tends toward /ˌhaɪdrəʊˈlektrɪk/ with non-rhotic /r/ (linking often reduces r before consonants). Australian tends to /ˌhaɪdrəˈlɛktrɪk/ with a slightly centralized or schwa-like second syllable and similar rhotic tendencies to US depending on speaker. The main differences lie in the vowel quality of the second syllable and rhoticity of r in post-vocalic positions.
The challenge is the multi-syllabic, three-consonant cluster after the first two syllables: hydro- + electric. The /d/ and /r/ cluster and the /ˈlɛk/ + /trɪk/ sequence can trip speakers, especially when rapid. Also, the weak middle vowel in hydro- (the /ə/ or /oʊ/ transition) can blur with the following /l/ onset. Focus on segmenting into syllables and maintaining stress on the third syllable to preserve clarity.
Tip: keep the /droʊ/ diphthong crisp and avoid inserting a separate /d/ sound at the boundary. The sequence is /haɪ.droʊ.ɪˈlɛk.trɪk/. Ensure you pronounce the /t/ before the final /ɪk/ distinctly; a weak or swallowed /t/ can reduce intelligibility. Use a light, quick release of /t/ and avoid flapping in the middle of a formal setting.
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- US: rhotic /r/ in all positions; keep /droʊ/ clear and ensure /lɛk/ is strong before the /tr/ cluster. - UK: non-rhotic /r/, so pre-consonantal /r/ is silent; keep /əʊ/ for /oʊ/ and ensure /lɛk/ has crisp vowel quality. - AU: tends to a more centralized vowel in the second syllable with similar rhotic tendencies to US; emphasize /droʊ/ or /drəʊ/ depending on regional variation; maintain clear /trɪk/ at the end. IPA references: US /ˌhaɪdroʊɪˈlɛktrɪk/, UK /ˌhaɪdrəʊˈlektrɪk/, AU /ˌhaɪdrəˈlɛktrɪk/.
Hydroelectric derives from the combination of hydro- (from the Greek hydro- meaning water) and electric- (from the Latin electricus, from Greek elektron meaning amber or electrical power). The first element, hydro-, has long been used in scientific terms to denote water. Electric- comes from the study of electricity in the 18th and 19th centuries, with early scientists naming electrical phenomena and devices. The compound term appears in the late 19th to early 20th century as electric-power generation became technologically feasible with the development of water-driven turbines and generators. Historically, hydroelectric power emerged as a key renewable energy resource, particularly after the advent of large-scale dam projects and turbine engineering, shaping utility industries and energy policy worldwide. The concept was central to the expansion of electric grids in the 20th century and remains integral to discussions of sustainable energy infrastructure. First known uses include descriptive mentions of technology exploiting water flow to generate electricity in engineering texts and reports from the late 1800s to early 1900s, with formal adoption into common usage by mid-20th century as hydroelectric plants became widespread.
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Words that rhyme with "hydroelectric"
-mal sounds
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