titanium

[tahy-tey-nee-uh m] /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. Symbol: Ti; atomic weight: 47.90; atomic number: 22; specific gravity: 4.5 at 20°C.
Origin
< Neo-Latin (1795); see Titan, -ium
British Dictionary definitions for titanium

titanium

/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
Word Origin
C18: New Latin; see Titan, -ium
Word Origin and History for titanium
n.

metallic element, 1796, Modern Latin, named in 1795 by German chemist and mineralogist Martin Heinrich Klaproth (1743-1817) from Latin Titan (see titan) as "sons of the earth." He had previously named uranium.

titanium in Medicine

titanium ti·ta·ni·um (tī-tā'nē-əm, tĭ-)
n.
Symbol Ti
A strong, low-density, highly corrosion-resistant metallic element that occurs widely in igneous rocks. Atomic number 22; atomic weight 47.88; melting point 1,668°C; boiling point 3,287°C; specific gravity 4.54; valence 2, 3, 4.

titanium in Science
titanium
  (tī-tā'nē-əm)   
Symbol Ti
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. See Periodic Table.