INTERFACE WIDENING. 1  Assessment of width. Radiolucent zones wider than 2 mm are evidence for loosening. 2  Assessment of location Acetabular component 1-2 mm radiolucent zone cement-bone interface of superolateral aspect (Gruen zone 1) are frequently seen and not a sign of loosening.
When bar service is offered to guests at an event free of charge, it is known as a âhost bar.â This is in contrast with a cash or no-host bar, at which guests are expected to pay for their own drinks.
snack bar. n. A lunch counter or small restaurant where light meals are served. snack bar. n. (Commerce) a place where light meals or snacks can be obtained, often with a self-service system. snackâ² bar`. n.