from Greek lipos fat. Word Origin and History for lipo- Expand. word-forming element meaning fat (n.), from Greek lipo-, comb. form of lipos fat (n.), from PIE root *leip- to stick, adhere, also used to form words for fat, see leave (v.)). lipo- in Medicine Expand. lipo- or lip-.
Follow Following Unfollow Pending Disabled. A Dr. David M. Vernick, MD , Ear, Nose & Throat (Otolaryngology), answered. Getting used to a hearing aid takes time, usually at least a month to six weeks, but it may take as long as several months until your ability to understand speech has peaked. If you don't notice a marked improvement by the end of the first month, there's a strong chance that the hearing aid isn't right for you.
1 Your devices are more than three years old. Hearing aids typically last for three to five years. If your hearing aids are beyond three years old, repair needs are likely to pile up, in which case it makes more financial sense to get some new devices.  The damage is visible.