/ˈædɒn/ – Noun
Definition: Phần mở rộng hoặc bổ sung.
A more thorough explanation: 1. (CONTRACTS LAW), a clause in an instalment contract whereby goods that have already been purchased are used as security for payment on goods which are subsequently purchased under the contract.
2. additional
3. computer software which is run through another software application
Example: 1. Northstar anNounced that it has been awarded another add-on to the multi million contract awarded by L-3 MAPPS Inc.
2. A new experimental Firefox add-on can help you see exactly who’s following you online.