Original Horizontality: One of the principles of relative dating. Based upon the good assumption that sedimentary rocks are deposited in horizontal or nearly horizontal layers: then if sedimentary layers are found in an inclined orientation the force that moved them to that orientation must have been applied at some time after their deposition.

 

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Original Horizontality: One of the principles of relative dating. Based upon the good assumption that sedimentary rocks are deposited in horizontal or nearly horizontal layers: then if sedimentary layers are found . . . View Full Definition

Original Issue Discount: A bond or other debt security that is issued at less than par but can be redeemed for full par value at maturity is an original issue discount security. The appeal, from an investor's perspe . . . View Full Definition

Original Issue Discount Debt (OID Debt): Debt that is initially offered at a price below par.

Original Maturity: Maturity at issue. For example, a five-year note has an original maturity of five years; one year later it has a maturity of four years.