Mortality table

An instrument by which the probabilities of life and probabilities of death can be measured. The basis is the ratio of the number of persons dying at any age to the number of persons alive at the beginning of the year of that age. Mortality and interest rate factors enable actuaries to produce life insurance ‘net premium’ calculations.

Mortgage

A deposit or conditional transfer to secure the performance of some act: The person who makes the transfer is called the “mortgagor,” the other party, the “mortgagee,” sometimes an intermediary called a “trustee” is appointed.