Word
chromium
Phoneticschromi·um
US/ˈkɹoʊmiəm/
UK/kɹˈəʊmiəm/
Definitions
01the chemical element
C1 · Advanced Uncountable noun Science Technical
n. a hard, shiny grey metal that does not rust easily. It is often used to make steel stronger or to give car parts a shiny finish.
n. a hard, brittle, steely-grey transition metal (symbol Cr) valued for its high corrosion resistance and ability to take a high polish.
“The factory uses chromium to make the steel parts more resistant to rust.”
“Chromium is an essential alloying element in stainless steel, providing the necessary oxidation resistance for industrial applications.”
Usage
Uncountable when referring to the element; countable when referring to specific isotopes or chemical samples.
Synonyms
02web browser project
C1 · Advanced Uncountable noun Computing Technical
n. a free, open-source software project that provides the code for many popular web browsers, including Google Chrome.
n. an open-source web browser project developed by Google that serves as the codebase for several proprietary browsers.
“Many developers prefer using Chromium because it is open-source and very fast.”
“The new browser is built on the Chromium engine, ensuring compatibility with the vast majority of existing web extensions.”
Usage
Proper noun; usually used without an article.
Real-World Examples
“The alloy, called GRCop-42, is made of three metals—copper, chromium and niobium.” “The material, GRCop-42, is an alloy made from copper, chromium, and niobium.” Etymology
From New Latin, from French chrome (from Ancient Greek χρῶμα (khrôma, “color”)) + -ium. So called because of the striking colors of its compounds.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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