Yes it is.

Yes, it is considered a suspension, im not positive WHY is it, but im positive it is.

In chemistry, suspension is a mixture of two substances, one of which is finely divided and dispersed in the other.

In a pharmaceutical suspension, a suspending agent helps the drug stay in the body of your suspension thereby preventing caking at the bottom. One of the properties of a well-formulated suspension is that it can be easily resuspended by the use of moderate agitation.