Aluminumnoun
A metallic chemical element (symbol Al) with an atomic number of 13.
Aluminumnoun
(countable) A single atom of this element.
Aluminumnoun
(slang) Aircraft or other machinery made partially or wholly of aluminum.
Aluminumnoun
The metallic element forming the base of alumina. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, having a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al. Also called aluminium.
Aluminumnoun
a silvery ductile metallic element found primarily in bauxite
Titaniumnoun
A chemical element, atomic number 22; it is a strong, corrosion-resistant transition metal, used to make light alloys for aircraft etc.
Titaniumnoun
(countable) A single atom of this element.
Titaniumnoun
An elementary substance found combined in the minerals manaccanite, rutile, sphene, etc., and isolated as an infusible iron-gray amorphous powder, having a metallic luster. It burns when heated in the air. Symbol Ti. Atomic weight 48.1.
Titaniumnoun
a light strong gray lustrous corrosion-resistant metallic element used in strong light-weight alloys (as for airplane parts); the main sources are rutile and ilmenite
Titanium
Titanium is a chemical element with the symbol Ti and atomic number 22. Its atomic weight is 47.867 measured in daltons.