1. One who, or that which, dries; that which may expel or absorb moisture; a desiccative.
2. Drying oil; a substance mingled with the oil used in oil painting to make it dry quickly.

An appliance that removes moisture; SYN. drier.
1. Something that extracts or absorbs moisture
2. A substance that accelerates drying (as of oils, paints, and printing inks)
3 usually dryer; a device for drying