the abbreviation Sxi stands for Sports Extra Injection
The SXI on a Astra stands for Sports Extra Injection. It is given to express the extras that are included on the Astra.
the owners manual to your Astra sxi has all the uses of the function button and many m ore explanations about how to use the many features of the Astra sxi.
Basically, it's a variable length intake tract, which allows for high torque all through the rev range. and the sxi means sexy
SXi has an 'X', where as the SRi has an 'R'
Abbreviations
distal
ATS
what does DOM mean
most home plans using abbreviations (to keep the plan from being cluttered) will have a table that explains the abbreviations
It depends on what you mean by a "group of abbreviations". If you mean several abbreviations chained together to form something that looks like a word (like SCUBA and RADAR), it's an Acronym. If you mean something like an alphabetical listing of abbreviations, that's usually called a glossary (although that particular term covers a lot of ground...)
Annual Percentage Rate
nm= not much