.ods meaning?

Please, what is .ods short for?

Details (also for other OpenDocument formats: spreadsheet, text, presentations, database, graphics, formula):

Open Document Spreadsheet

Open Document Spreadsheet, of the OASIS file format standard Open Document Format for Office Applications.

Wikipedia says that OASIS (Open Artwork System Interchange Standard) is a language used to define geometric shapes such as polygons, rectangles and trapezoids for integrated circuits.

Wikipedia gives lots of alternative meanings for OASIS including, not surprising

Oasis is an isolated area of vegetation in a desert… It also gives

The Organization for the Advancement of Structured Information Standards (OASIS)

It helps to get the complete name of the organization spelled out. Not everyone knows what you are talking about.

In the context of the Open Document Format there is only one OASIS.