A certificate of ownership of gold metal stored by another entity, used historically as a paper currency of the United States (1863–1933) and in modern times as a form of investment.

plural of gold certificate

plural of Intermediate Certificate

(Ireland, dated) A certificate awarded to Irish students who passed the state examinations at the end of the third or fourth year of a voluntary secondary school or boarding school.

A seal on paper appended to a specific artwork which is made to demonstrate that the item is authentic.

plural of certain event

(probability theory) An event that contains all of the possible outcomes and thus is known a priori to be certain to occur; the entire sample space.