adj · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/ˌhʌɪdrəʊɪˈlɛktrɪk/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:HH AY2 D R OW0 IH0 L EH1 K T R IH0 K
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
That generates electricity by converting the energy of moving water, or of steam escaping under high pressure.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Of or relating to the electricity so produced.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective
Meaning 3
of or relating to or used in the production of electricity by waterpower
Definition source: Princeton WordNet 3.0
Examples
hydroelectric power
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus New Latin ēlectricusbor. English electric English hydroelectric From hydro- + electric.
Across languages
Translations
29 source translations are retained for this English entry.
Azerbaijani:
su-elektrik
— that generates electricity by converting the energy of moving water
Catalan:
hidroelèctric
— that generates electricity by converting the energy of moving water
Chinese Mandarin:
水力發電的 /水力发电的
(shuǐlì fādiàn de)
— that generates electricity by converting the energy of moving water
Chinese Mandarin:
水電的 /水电的
(shuǐdiàn de)
— that generates electricity by converting the energy of moving water
Dutch:
hydro-elektrisch
— that generates electricity by converting the energy of moving water
Finnish:
vesivoima-
— that generates electricity by converting the energy of moving water
French:
hydro-électrique
— that generates electricity by converting the energy of moving water
German:
hydroelektrisch
— that generates electricity by converting the energy of moving water
Greek:
υδροηλεκτρικός
(ydroïlektrikós)
— that generates electricity by converting the energy of moving water
Polish:
hydroelektryczny
— that generates electricity by converting the energy of moving water
Portuguese:
hidroelétrico
— that generates electricity by converting the energy of moving water
Russian:
гидроэлектри́ческий
(gidroelektríčeskij)
— that generates electricity by converting the energy of moving water
Spanish:
hidroeléctrico
— that generates electricity by converting the energy of moving water
Swedish:
vattenkraft
— that generates electricity by converting the energy of moving water
Ukrainian:
гідроелектри́чний
(hidroelektrýčnyj)
— that generates electricity by converting the energy of moving water
Vietnamese:
thuỷ điện
— that generates electricity by converting the energy of moving water
Catalan:
hidroelèctric
— relating to the electricity so produced
Chinese Mandarin:
水力發電的 /水力发电的
(shuǐlì fādiàn de)
— relating to the electricity so produced
Chinese Mandarin:
水電的 /水电的
(shuǐdiàn de)
— relating to the electricity so produced
Finnish:
vesivoima-
— relating to the electricity so produced
French:
hydro-électrique
— relating to the electricity so produced
German:
hydroelektrisch
— relating to the electricity so produced
Greek:
υδροηλεκτρικός
(ydroïlektrikós)
— relating to the electricity so produced
Polish:
hydroelektryczny
— relating to the electricity so produced
Portuguese:
hidroelétrico
— relating to the electricity so produced
Russian:
гидроэлектри́ческий
(gidroelektríčeskij)
— relating to the electricity so produced
Spanish:
hidroeléctrico
— relating to the electricity so produced
Swedish:
vattenkraft
— relating to the electricity so produced
Ukrainian:
гідроелектри́чний
(hidroelektrýčnyj)
— relating to the electricity so produced
