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n. 1) personal or real property acquired by a debtor after he/she has agreed that all his/her property secures a debt. Thus, the new property also becomes security for the debt. This includes improvements to real property which is security on a deed of trust or mortgage and personal property pledged in a security agreement (UCC-1). 2) in bankruptcy, property acquired by the bankrupt person after he/she has filed papers to be declared bankrupt. This after-acquired property is not included in the assets which may be used to pay any debts which existed at the time of bankruptcy filing. (See: bankruptcy)