Standard Lemma guide

dichromate

noun · verb · 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: /daɪˈkɹəʊmeɪt/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: D AY0 K R OW1 M EY2 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: D AY1 K R OW0 M EY2 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Any salt of dichromic acid; in solution the orange dichromate anion.(Cr2O72−) is in equilibrium with the yellow chromate anion (CrO42−), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To treat with a dichromate.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a salt of the hypothetical dichromic acid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bichromate

Antonyms: none provided

Broader terms: salt

History

Etymology

From di- + chromate.

Across languages

Translations

4 source translations are retained for this English entry.

  • Georgian: ბიქრომატი (bikromaṭi) — any salt of dichromic acid
  • German: Dichromat — any salt of dichromic acid
  • Irish: déchrómáit — any salt of dichromic acid
  • Italian: dicromato — any salt of dichromic acid