What are the words you have shortened like microwave replaces oven?

It seems like you are asking for examples of words that have been shortened in a similar way to how "microwave" replaced "microwave oven".

Here are some examples:

* "Fax" for "facsimile"

* "Photo" for "photograph"

* "Gym" for "gymnasium"

* "Fridge" for "refrigerator"

* "Flu" for "influenza"

* "Plane" for "airplane"

* "Lab" for "laboratory"

* "Bike" for "bicycle"

* "Pub" for "public house"

* "Specs" for "specifications"

These examples show how everyday language can evolve, with longer words being shortened for convenience and ease of use.