Definition of titanium. : a silvery-gray light strong metallic element obtained from ilmenite and rutile and used especially in alloys and combined in refractory materials, pigments, and coatings â see element table.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  roster(Noun) A list of names, usually for an organization of some kind such as military officers and enlisted personnel enrolled in a particular unit; a muster roll; or a sports team, with the names of players who are eligible to be placed in the lineup for a particular game.
Definition of catalog 1  : make a catalogue, compile a catalogue of something. 2  a book or pamphlet containing an enumeration of things;  he found it in the Sears catalog. 3  a complete list of things; usually arranged systematically;  it does not pretend to be a catalogue of his achievements 4  . make a catalog of.