effective barrier
1barrier — [[t]bæ̱riə(r)[/t]] ♦♦♦ barriers 1) N COUNT: oft N to/against/between n A barrier is something such as a rule, law, or policy that makes it difficult or impossible for something to happen or be achieved. Duties and taxes are the most obvious… …
2effective — effective, effectual, efficacious, efficient 1. All these words mean ‘having an effect’ of some kind, but with different applications and shades of meaning. Effective means ‘having a definite or desired effect’ that is actual rather than… …
3barrier — noun 1 fence/gate ADJECTIVE ▪ physical ▪ crash, crush (BrE), flood, police, protective, safety (esp. BrE), security, ticket …
4effective — adj. 1 producing the result you want VERBS ▪ be, look, prove, seem ▪ make sth ▪ find sth ▪ We find advertising on the radio very effectiv …
5Separation barrier — A separation barrier is a wall or fence constructed to limit the movement of people across a certain line or border, or to separate two populations. These structures vary in placement with regard to international borders and topography. The most… …
6Cargo barrier — A cargo barrier is a vehicle accessory installed into motor vehicles to aid occupancy safety when carrying loads or domestic pets, (usually dogs) in the rear section of a vehicle. Other terms used for cargo barriers include: dog guard, mesh… …
7Israeli West Bank barrier — The Israeli West Bank barrier is a barrier being constructed by Israel consisting of a network of fences with vehicle barrier trenches surrounded by an on average 60 meters wide exclusion area (90%) and up to 8 meters high concrete walls… …
8Cable barrier — Cable barrier, sometimes referred to as guard cable, is a type of roadside or median barrier. It consists of steel wire ropes mounted on weak posts. As is the case with any roadside barrier, its primary purpose is to prevent a vehicle from… …
9Blood-brain barrier — The blood brain barrier (BBB) is a metabolic or cellular structure in the central nervous system (CNS) that restricts the passage of various chemical substances and microscopic objects (e.g. bacteria) between the bloodstream and the neural tissue …
10Noise barrier — The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area s aesthetics. A noise barrier (also called a soundwall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed… …
