Deserts are arid. There is no such thing as a 'semi-arid' desert. Semi-arid regions are steppes or grasslands.
It's a desert in the Semi Arid region in Europe :)
Basically, yes. Semi-arid is more correct as the term semi-desert is misleading. Semi-arid regions are usually grasslands and receive more rainfall than deserts.
desert/ semi-arid
The savannah is a semi-arid transition zone bordering a desert.
Either arid or semi-arid would be dry. An arid region (Atacama Desert) receives virtually no rainfall while a semi-arid region (Sonoran Desert) receives some rainfall.
Semi-desert means semi-arid. A desert receives less than 10 inches (250 mm) of annual precipitation on average. A semi-arid region receives between 10 inches (250 mm) and 20 inches (500 mm) of precipitation per year.
Your question is an oxymoron. If a region is semi-desert, it is not a desert. A desert receives less than 10 inches (250 mm) of rainfall on average per year. A semiarid region receives 10 inches to 20 inches (500 mm) and is not a desert. It is a distinct biome.
These is no such thing. A desert is arid land. A savanna is semi arid grassland. They are distinct biomes.
desert/ semi-arid
The Sahel is a semi-arid grassland and is not a desert.
Deserts are arid. If it is semi-arid, it is not a desert.
A true desert is arid, not semiarid. Grasslands are usually considered semiarid and receive more rainfall than a desert.