sampling
sampling
A portion of butter is called a Pat of butter
a field recording
Sampling
Portion of the area of a circle is called a sector.
The upper portion of a fraction is called the numerator.
The star studded portion of the American flag is called the Star Studded Portion.
The visible portion of the tooth is called the crown. The submerged portion is called the root.
recycle...possibly
The rear portion of a car is called the Hind Quarters.
the hull
A portion of a whole is a fraction of it.