Relating to or having the characteristics of a solenoid, which is a coil of wire.
The word solenoidal is used in science and engineering to describe things that are related to coils of wire.
Examples:
The solenoidal device uses a coil of wire to create a magnetic field.
The solenoidal properties of the wire make it useful for many applications.
The solenoidal nature of the machine allows it to generate electricity.
The solenoidal coil is very important for making things work.
The solenoidal characteristics of the wire make it perfect for this job.
The solenoidal effect of the wire is what makes it so special.