Aluminum is a light, silveryshiny and looking like silver in color metal used in things like cans, foil, aircraftvehicles that fly through the air, such as planes, and many building materials. In chemistry, it is the elementa basic substance made of one kind of atom with atomic number 13.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ə-LOO-muh-num/
Easy pronunciation: uh-LOO-muh-num (approximate spelling).
Stress: Primary stress on the second syllable.
Refers to the metal and chemical element; General American pronunciation.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Aluminum Meaning
a light silver metal used in many everyday products
Part of speech: noun
Definition: a silvery, ductile metallic element found mainly in bauxite
Example: The company makes window frames out of aluminum.
Synonyms for this meaning:
- aluminium — British spelling of the same metal and element.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Other Meanings of Aluminum
Meaning 2
the element known as atomic number 13
Part of speech: noun
Definition: the chemical element with atomic number 13
Example: Aluminum is element 13 on the periodic table.
Synonyms for this meaning:
- aluminium — British spelling of the same element.
- atomic number 13 — An identifying label for the element, not a true synonym in ordinary use.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Aluminum Synonyms
Similar Meaning
- aluminium
chemical element, identified as atomic number 13
- aluminium
- atomic number 13
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Do not confuse aluminum with aluminum foil, which is a product made from the metal.
- In British English, aluminium is the usual spelling; in American English, aluminum is standard.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does aluminum mean?
Aluminum is a light, silvery metal used in many products, and it is also the chemical element with atomic number 13.
What are synonyms for aluminum?
The main synonym is aluminium, which is the British spelling of the same word. In chemistry, atomic number 13 can refer to the same element, but it is not a normal everyday synonym.
Is aluminum the same as aluminium?
Yes. They refer to the same metal and chemical element; aluminum is the common American spelling, and aluminium is the common British spelling.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-03. AI assessment; not a guarantee of accuracy.
