Standard Lemma guide

aluminum

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.

Canada, General-American: ə-lo͞o'-mĭ-nəm
Canada, General-American: /əˈlu.mɪ.nəm/
US: Recorded audio is listed in the source snapshot.
General-American: Recorded audio is listed in the source snapshot.
Australian, New-Zealand, UK: ăl-yə-mĭnʹ-ē-əm
Australian, New-Zealand, UK: /ˌæl.(j)ʊˈmɪn.jəm/
UK: Recorded audio is listed in the source snapshot.
UK: /əˈluː.mɪ.nəm/
UK: Recorded audio is listed in the source snapshot.
Philippines: /ʔɐ.lʊˈmi.nʊm/
CMU ARPABET: AH0 L UW1 M AH0 N AH0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

noun

Meaning 1

American, Canadian, and Philippines standard spelling of aluminium.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

noun

Meaning 2

a silvery ductile metallic element found primarily in bauxite

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: aluminium, Al, atomic number 13

Antonyms: none provided

Broader terms: metallic element, metal

Narrower terms: alum, potassium alum, potash alum, ammonia alum, ammonium alum

History

Etymology

Coined by British chemist Humphry Davy in 1812, after the earlier 1807 New Latin form alumium. By surface analysis, Latin alumen + -um

Word forms

Inflections and variants

aluminums — plural
aluminium — alternative

Word family

Derived and related words

Derived: alkoxyaluminum, althupite, aluminosis, aluminumize, aluminumlike, aluminumware, aluminum wool, alvanite, anodium, dialuminum, ekaaluminum, eka-aluminum, ferroaluminum, monoaluminum, nonaluminum, organoaluminum, pentaluminum, radioaluminum, sucralfate, triethylaluminum, trimethylaluminum

Related: bauxite, aluminous, aluminize, aluminise

Semantic map

Other relationships

Hypernyms: metallic element, metal

Hyponyms: alum, potassium alum, potash alum, ammonia alum, ammonium alum

Holonyms: aluminum foil, aluminium foil, tin foil, bauxite, Duralumin

Sources

Where this information comes from

Wiktionary data was expanded into structured fields by Wiktextract. Matching Princeton WordNet definitions and semantic relationships, plus CMUdict ARPABET pronunciations, are merged into this same canonical word page.

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Changes made: Wiktionary markup was removed and matching senses were grouped; WordNet and CMUdict evidence was merged into the canonical word page. Source quotations with separate cited works are not republished.

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Real reading context

Meaning relationships

Meaning relationships

aluminum in complete knowledge articles