Meanings
nounhydroxide (plural hydroxides)
plural hydroxides
- chemistryA univalent anion (OH⁻) based on the hydroxyl functional group.
A sample of carbon removed from the ocean in the solid form of calcium carbonate and magnesium hydroxide from UCLA's SeaChange program -- now known as Equatic -- in 2023.
2024 April 21, Laura Paddison, “Can this ocean-based carbon plant help save the world? Some scientists are raising red flags”, in CNN - Any substance containing such an anion.
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*wed-
- Proto-Indo-European*wódr̥
- Proto-Hellenic*údōr
- Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
- Ancient Greekῠ̔δρο- (hŭdro-)
- Englishhydro-
- Proto-Indo-European*h₂eḱ-der.?
- Ancient Greekὀξύς (oxús)
- Proto-Indo-European*ǵenh₁-
- Proto-Indo-European*ǵénh₁os
- Proto-Hellenic*génos
- Ancient Greekγένος (génos)
- Frenchoxygène
- Proto-Indo-European*h₂eḱ-
- Proto-Indo-European*h₂eḱéh₁yeti
- Proto-Italic*akēō
- Latinaceō
- Proto-Indo-European*dʰeh₁-
- Latinacidu
- Frenchacide
- Frenchoxide
- Englishoxide
- Englishhydroxide
Translations
Bulgarian хидроксид
- хидроксид (hidroksid)univalent anion
Catalan hidròxid
- hidròxidunivalent anion
Chinese Mandarin 氫氧化物 /氢氧化物
- 氫氧化物 /氢氧化物 (qīngyǎnghuàwù)univalent anion
Czech hydroxid
- hydroxidunivalent anion
Esperanto hidroksido
- hidroksidounivalent anion
Finnish hydroksidi
- hydroksidiunivalent anion
French hydroxyde
- hydroxydeunivalent anion
German Hydroxid
- Hydroxidunivalent anion
Greek υδροξείδιο
- υδροξείδιο (ydroxeídio)univalent anion
Hindi उदजारेय
- उदजारेय (udjārey)univalent anion
Hungarian hidroxid
- hidroxidunivalent anion
Icelandic hýdroxíð
- hýdroxíðunivalent anion
Italian idrossido
- idrossidounivalent anion
Japanese 水酸化物
- 水酸化物 (suisankabutsu)univalent anion
Malay hidroksida
- hidroksidaunivalent anion
Māori waihā
- waihāunivalent anion
Norwegian Bokmål hydroksid
- hydroksidunivalent anion
Polish wodorotlenek
- wodorotlenekunivalent anion
Portuguese hidróxido
- hidróxidounivalent anion
Romanian hidroxid
- hidroxidunivalent anion
Russian гидрокси́д
- гидрокси́д (gidroksíd)univalent anion
Spanish hidróxido
- hidróxidounivalent anion
Swedish hydroxid
- hydroxidunivalent anion
Thai ไฮดรอกไซด์
- ไฮดรอกไซด์univalent anion
Cite this entry
APA
hydroxide. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/hydroxide
MLA
“hydroxide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hydroxide. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “hydroxide,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/hydroxide.
Source: hydroxide on Wiktionary, CC BY-SA 4.0.