Phrase guide

potassium hydroxide

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.

No pronunciation record was provided for this word.

1

noun

Meaning 1

The alkaline base KOH, once known as caustic potash; it has a number of industrial uses, including the manufacture of bleach.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: caustic potash, potassa

Antonyms: none provided

2

noun

Meaning 2

a potassium compound often used in agriculture and industry

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: potash, caustic potash

Antonyms: none provided

Broader terms: hydroxide, hydrated oxide, lye

History

Etymology

No etymology was provided for this word.

Across languages

Translations

30 source translations are retained for this English entry.

  • Armenian: կալիումի հիդրօքսիդ (kaliumi hidrōkʻsid) — potassium hydroxide
  • Catalan: hidròxid de potassi — potassium hydroxide
  • Catalan: potassa càustica — potassium hydroxide
  • Czech: hydroxid draselný — potassium hydroxide
  • Estonian: kaaliumhüdroksiid — potassium hydroxide
  • Finnish: kaliumhydroksidi — potassium hydroxide
  • French: hydroxyde de potassium — potassium hydroxide
  • French: potasse caustique — potassium hydroxide
  • Georgian: კალიუმის ჰიდროქსიდი (ḳaliumis hidroksidi) — potassium hydroxide
  • German: Kaliumhydroxid — potassium hydroxide
  • German: Ätzkali — potassium hydroxide
  • German: kaustisches Kali — potassium hydroxide
  • Greek: υδροξείδιο του καλίου (ydroxeídio tou kalíou) — potassium hydroxide
  • Hindi: दहातु उदजारेय (dahātu udjārey) — potassium hydroxide
  • Hungarian: kálium-hidroxid — potassium hydroxide
  • Hungarian: marókáli — potassium hydroxide
  • Hungarian: kálilúg — potassium hydroxide
  • Icelandic: kalíumhýdroxíð — potassium hydroxide
  • Italian: idrossido di potassio — potassium hydroxide
  • Japanese: 水酸化カリウム (suisanka kariumu) — potassium hydroxide
  • Japanese: 苛性カリ (kaseikari) — potassium hydroxide
  • Norwegian Bokmål: kaliumhydroksid — potassium hydroxide
  • Norwegian Nynorsk: kaliumhydroksid — potassium hydroxide
  • Polish: wodorotlenek potasu — potassium hydroxide
  • Portuguese: hidróxido de potássio — potassium hydroxide
  • Russian: гидроксид калия (gidroksid kalija) — potassium hydroxide
  • Spanish: hidróxido de potasio — potassium hydroxide
  • Spanish: potasa cáustica — potassium hydroxide
  • Swedish: kaliumhydroxid — potassium hydroxide
  • Turkish: potasyum hidroksit — potassium hydroxide