As per the very term, it means a part of the complete order being transacted.

When you place a  buy or sell order, it is matched with all existing orders in the open order book. 

If a part of your order is matched, it will be processed instantly. 

The balance amount of the order will stay pending in the open order book, awaiting a match. Such orders are partial orders. 

Please Note: Zebpay follows and order life cycle of 28 days. A buy/sell order will stay in the order book for 28 days from the date order was placed. 

An order (complete or partial) which is not matched by the 29th Day 0.00 UTC will be auto-cancelled.

In case of a partial order, the balance amount will be credited back to your wallet after cancellation.