14-Letter Words Containing: A,D,I,O,R,T,U

• one part in a quadrillion equal parts

• the ordinal number of one quadrillion in counting order

• an adventurer (especially one who led the Spanish conquest of Mexico and Peru in the 16th century)

• the act of making a piece of equipment rugged (strengthening to resist wear or abuse)

• an enzyme that catalyzes oxidation-reduction

• restricted to the geographic area under a particular jurisdiction

• That has not been appropriated for a specific use, or assigned to a specific person or organization.

• A pattern of animal colouration, existing as a form of camouflage, characterised by darker pigmentation of the upper side and lighter of the underside.