exposed

Etymology

adj

1. (usually followed by to) Vulnerable, susceptible.
   exposed to light
   exposed to water
   exposed to abuse
   exposed to danger
   The film was not exposed to sufficient light.
   The bike chain is open and exposed to tough environmental conditions such as temperature changes, humidity, rain, dirt and road salt.
   Manganism has been known about since the 19th century, when miners exposed to ores containing manganese, a silvery metal, began to totter, slur their speech and behave like someone inebriated.[…]Nowadays workers are exposed to far lower doses and manganism is rare. 2014-04-21, “Subtle effects”, in The Economist, volume 411, number 8884
2. (architecture, of a structure) Deliberately left uncovered for aesthetic effect.
   exposed beam
   exposed brick

verb

1. simple past and past participle of expose