With the revival of the Olympic Games in the modern era, the pentathlon returned in two formats. The athletics pentathlon was a modern variation on the original events, with a competition over five track and field events.
Aggregate is defined as a complete amount. An example of an aggregate would be the total number of students in all of one grade level. Aggregate means to combine or mix together. An example of aggregate is to mix ingredients for concrete together.
To aggregate is to collect many units into one. If you're writing a novel, you might create a character who is an aggregate of five or six real people. Aggregate comes from the Latin verb aggregare, which means to add to. As a verb it means to collect into a mass or whole. You can also use it as an adjective, as in your aggregate sales for February, March and April. It can also be a noun. The mountain of foam in bubble bath is an aggregate of small bubbles.