plural of Titanean

(physics) An imponderable substance or body; specifically, in the plural, a name formerly applied to heat, light, electricity, and magnetism. / An imponderable question.

(computing) the attachment of a digital certificate (from a certification authority) to an executable program to ensure its legitimacy

(paleontology) Any of several artiodactyl ungulates, of the extinct family Anthracotheriidae, related to the hippopotamus.