titanium

American  

[tahy-tey-nee-uhm] / taɪˈteɪ ni əm /

noun

Chemistry.

1. a dark-gray or silvery, lustrous, very hard, light, corrosion-resistant, metallic element, occurring combined in various minerals: used in metallurgy to remove oxygen and nitrogen from steel and to toughen it. Ti; 47.90; 22; 4.5 at 20°C.

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titanium British  

/ taɪˈteɪnɪəm /

noun

1. a strong malleable white metallic element, which is very corrosion-resistant and occurs in rutile and ilmenite. It is used in the manufacture of strong lightweight alloys, esp aircraft parts. Symbol: Ti; atomic no: 22; atomic wt: 47.88; valency: 2, 3, or 4; relative density: 4.54; melting pt: 1670±10°C; boiling pt: 3289°C

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titanium Scientific  

/ tī-tā′nē-əm /

1. A shiny, white metallic element that occurs in all kinds of rocks and soils. It is lightweight, strong, and highly resistant to corrosion. Titanium alloys are used especially to make parts for aircraft and ships. Atomic number 22; atomic weight 47.87; melting point 1,660°C; boiling point 3,287°C; specific gravity 4.54; valence 2, 3, 4.

2. See Periodic Table

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Etymology

Origin of titanium

< New Latin (1795); see Titan, -ium