May 11, 2012 at 11:06 pm. How long a multi-dose vial eye drop can be used, apart from the temparature of preservation, has to do with the nature of the used preservative. Some preservatives may not keep for more than two weeks e.g. Benzakonium chloride while some can preserve up to one month especially the phenolics.
Definition of 'nail bar'. nail bar. noun. a type of beauty salon specializing in manicure and the decoration of, esp women's, fingernails. Example sentences containing 'nail bar'. But the action doesn't take place at the hair salons and nail bars.
A surgical rod inserted into the intramedullary canal to act as an immobilization device to hold the two ends of a fractured long bone in position. nail. 1. a rod of metal, bone or other material used for fixation of the ends of fractured bones. 2. see horseshoe nail (below). 3. a horny cutaneous plate overlying the dorsal surface of the distal phalanx of the human fingers and toes; similar structures are found in other primates.