Impaired memory. ... Compare: hypermnesia. ... Origin: hypo-+ G. Mneme, memory ... (05 Mar 2000) ... 
(hi″pom-ne´zhә) defective memory.
Type: Term Pronunciation: hī′pom-nē′zē-ă Definitions: 1. Impaired memory.
Hypomnesia: Abnormally poor memory of the past. As compared to hypermnesia and amnesia. From hypo- + the Greek mneme, memory.
hypomnesia, hypomnesis, hypomnestic 1. A condition of having a weakened memory. 2. Abnormally poor memory of the past.