noun · 2 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:/haɪˈdɹɒlɪsɪs/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/haɪˈdɹɑləsəs/
rhymes with -ɒlɪsɪs
CMU ARPABET:HH AY0 D R AA1 L AH0 S AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A chemical process of decomposition involving the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion of water.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: chemical reaction, reaction
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- Proto-Indo-European *lewh1-der. Ancient Greek λύω (lúō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σις (-sis) Ancient Greek λῠ́σῐς (lŭ́sĭs)der. English -lysis English hydrolysis From hydro- + -lysis.
Across languages
Translations
31 source translations are retained for this English entry.
Armenian:
հիդրոլիզ
(hidroliz)
— chemical process of decomposition
Catalan:
hidròlisi
— chemical process of decomposition
Chinese Cantonese:
水解
(seoi2 gaai2)
— chemical process of decomposition
Chinese Mandarin:
水解
(shuǐjiě)
— chemical process of decomposition
Czech:
hydrolýza
— chemical process of decomposition
Danish:
hydrolyse
— chemical process of decomposition
Finnish:
hydrolyysi
— chemical process of decomposition
French:
hydrolyse
— chemical process of decomposition
Galician:
hidrólise
— chemical process of decomposition
German:
Hydrolyse
— chemical process of decomposition
Greek:
υδρόλυση
(ydrólysi)
— chemical process of decomposition
Gujarati:
જલવિચ્છેદન
(jalvicchedan)
— chemical process of decomposition
Hindi:
जलापघटन
(jalāpghaṭan)
— chemical process of decomposition
Hungarian:
hidrolízis
— chemical process of decomposition
Hungarian:
vízbontás
— chemical process of decomposition
Icelandic:
vatnsrof
— chemical process of decomposition
Indonesian:
hidrolisis
— chemical process of decomposition
Italian:
idrolisi
— chemical process of decomposition
Japanese:
加水分解
(kasuibunkai)
— chemical process of decomposition
Kazakh:
гидролиз
(gidroliz)
— chemical process of decomposition
Kazakh:
гидроыдырау
(gidroydyrau)
— chemical process of decomposition
Korean:
가수분해
(gasubunhae)
— chemical process of decomposition
Malay:
hidrolisis
— chemical process of decomposition
Māori:
whakapāheko-ā-wa
— chemical process of decomposition
Polish:
hydroliza
— chemical process of decomposition
Portuguese:
hidrólise
— chemical process of decomposition
Russian:
гидролиз
(gidroliz)
— chemical process of decomposition
Spanish:
hidrólisis
— chemical process of decomposition
Swedish:
hydrolys
— chemical process of decomposition
Tagalog:
tubigbilos
— chemical process of decomposition
Vietnamese:
sự thuỷ phân
— chemical process of decomposition
