noun · 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.
UK:/haɪˈdɹɒlɪks/
Southern-England:Recorded audio is listed in the source snapshot.
US:/haɪˈdɹɔːlɪks/
CMU ARPABET:HH AY0 D R AO1 L IH0 K S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The engineering science that deals with practical applications where liquid is in motion and transmits energy.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Examples
applied hydraulics
The engineer specialized in fluid mechanics and hydraulics.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The hydraulic system of a vehicle or other machine.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Examples
hydraulics system
The brakes work on the principle of hydraulics.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
study of the mechanics of fluids
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Etymology tree English hydraulic Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic Old English -as Middle English -es English -s English -ics English hydraulics From hydraulic + -ics.
Across languages
Translations
36 source translations are retained for this English entry.
Arabic:
ميكانيك السوائل
— engineering science that deals with liquid in motion
Armenian:
ջրաբաշխություն
(ǰrabašxutʻyun)
— engineering science that deals with liquid in motion
Armenian:
հիդրավլիկա
(hidravlika)
— engineering science that deals with liquid in motion
Belarusian:
гідра́ўліка
(hidráwlika)
— engineering science that deals with liquid in motion
Catalan:
hidràulica
— engineering science that deals with liquid in motion
Chinese Mandarin:
水力學 /水力学
(shuǐlìxué)
— engineering science that deals with liquid in motion
Czech:
hydraulika
— engineering science that deals with liquid in motion
Danish:
hydraulik
— engineering science that deals with liquid in motion
Dutch:
hydraulica
— engineering science that deals with liquid in motion
Dutch:
stromingsleer
— engineering science that deals with liquid in motion
Finnish:
hydrauliikka
— engineering science that deals with liquid in motion
French:
hydraulique
— engineering science that deals with liquid in motion
Georgian:
ჰიდრავლიკა
(hidravliḳa)
— engineering science that deals with liquid in motion
German:
Hydraulik
— engineering science that deals with liquid in motion
Greek:
υδραυλική
(ydravlikí)
— engineering science that deals with liquid in motion
Hindi:
द्रविकी
(dravikī)
— engineering science that deals with liquid in motion
Hindi:
द्रवविज्ञान
(dravvijñān)
— engineering science that deals with liquid in motion
Hungarian:
hidraulika
— engineering science that deals with liquid in motion
Indonesian:
hidrolika
— engineering science that deals with liquid in motion
Indonesian:
hidraulika
— engineering science that deals with liquid in motion
Italian:
idraulica
— engineering science that deals with liquid in motion
Japanese:
水理学
(suirigaku)
— engineering science that deals with liquid in motion
Latvian:
hidraulika
— engineering science that deals with liquid in motion
Malay:
hidraulik
— engineering science that deals with liquid in motion
Norwegian Bokmål:
hydraulikk
— engineering science that deals with liquid in motion
Norwegian Nynorsk:
hydraulikk
— engineering science that deals with liquid in motion
Persian:
هیدرولیک
(hidrolik)
— engineering science that deals with liquid in motion
Polish:
hydraulika
— engineering science that deals with liquid in motion
Portuguese:
hidráulica
— engineering science that deals with liquid in motion
Russian:
гидра́влика
(gidrávlika)
— engineering science that deals with liquid in motion
Spanish:
hidráulica
— engineering science that deals with liquid in motion
Swedish:
hydraulik
— engineering science that deals with liquid in motion
Tagalog:
danumsigwasan
— engineering science that deals with liquid in motion
Ukrainian:
гідра́вліка
(hidrávlika)
— engineering science that deals with liquid in motion
Vietnamese:
thuỷ lực học
— engineering science that deals with liquid in motion
Chinese Mandarin:
液壓 /液压
(yèyā)
— hydraulic system