Phrase guide

aqua regia

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

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  • /ˈɑː.kwə ˈɹeɪ.ɡi.ə/
  • /ˌækwə ˈɹiː.ʒə/
  • ăʹkwə-rēʹjē-ə
  • US: Recorded audio is listed in the source snapshot.
  • UK: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A mixture of three parts concentrated hydrochloric acid to one part concentrated nitric acid, named for its ability to dissolve gold.

Definition source: English Wiktionary via Wiktextract

Usage: archaic, uncountable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: aqua regis, nitro-hydrochloric acid

Antonyms: none provided

2

noun

Meaning 2

a yellow fuming corrosive mixture of nitric and hydrochloric acid that dissolves metals (including gold)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nitrohydrochloric acid

Antonyms: none provided

Broader terms: acid

History

Etymology

Learned borrowing from Latin aqua rēgia (literally “royal water”), so named because it is one of the few solvents capable of dissolving noble metals.

Across languages

Translations

34 source translations are retained for this English entry.

  • Arabic: مَاء مَلَكِيّ (māʔ malakiyy) — mixture of acids
  • Bengali: অম্লরাজ (omloraj) — mixture of acids
  • Chinese Mandarin: 王水 (wángshuǐ) — mixture of acids
  • Chinese Mandarin: 王酸 (wángsuān) — mixture of acids
  • Danish: kongevand — mixture of acids
  • Dutch: koningswater — mixture of acids
  • Finnish: kuningasvesi — mixture of acids
  • French: eau régale — mixture of acids
  • German: Königswasser — mixture of acids
  • Gujarati: અમ્લરાજ (amlarāj) — mixture of acids
  • Hebrew: מֵי מֶלֶך (mei mélekh) — mixture of acids
  • Hindi: अम्लराज (amlarāj) — mixture of acids
  • Hungarian: királyvíz — mixture of acids
  • Italian: acqua regia — mixture of acids
  • Japanese: 王水 (ōsui) — mixture of acids
  • Kazakh: патша арағы (patşa arağy) — mixture of acids
  • Korean: 왕수 (wangsu) — mixture of acids
  • Latin: aqua rēgia — mixture of acids
  • Latvian: karaļūdens — mixture of acids
  • Malay: air raja — mixture of acids
  • Malay: akua regia — mixture of acids
  • Norwegian Bokmål: kongevann — mixture of acids
  • Persian: تیزاب سلطانی (tizâb-e soltâni) — mixture of acids
  • Polish: woda królewska — mixture of acids
  • Portuguese: água régia — mixture of acids
  • Russian: ца́рская во́дка (cárskaja vódka) — mixture of acids
  • Spanish: agua regia — mixture of acids
  • Swedish: kungsvatten — mixture of acids
  • Tamil: சுவர்ணபேதி (cuvarṇapēti) — mixture of acids
  • Turkish: kral suyu — mixture of acids
  • Ukrainian: ца́рська вода́ (cársʹka vodá) — mixture of acids
  • Ukrainian: ца́рська горі́лка (cársʹka horílka) — mixture of acids
  • Vietnamese: nước cường toan — mixture of acids
  • Vietnamese: cường thuỷ — mixture of acids