Extra and Summation

Extra noun - An interchangeable part or piece of equipment that is kept on hand for replacement of an original.

Summation and extra are semantically related in plus topic. In some cases you can use "Summation" instead a noun "Extra".

Summation noun - A complete amount of something.

Extra and summation are semantically related in plus topic. Sometimes you can use "Extra" instead a noun "Summation".

Nearby Words: summary, summarize, summarise, summing, summed