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.
The company says that the style of hearing aid, as well as how often you wear them are amongst the factors that will determine the lifespan of Unitron hearing aids. However, they quote four to five years as being the standard time period that most people will look to replace their hearing aids with a new set.