screened

Screened is the past participle of the verb screen and is used as an adjective in several fields to indicate that a subject has undergone evaluation, filtration, or protection, or that something has been shown to an audience. In everyday language, to screen something is to apply a criterion to separate or filter items, to inspect or test people for suitability, or to shield or enclose with a protective barrier.

In medicine and public health, screening refers to testing or evaluating individuals who are not yet showing symptoms in order to identify diseases early. Screened programs aim to reduce morbidity by early intervention, but must balance benefits against false positives and resource use. Examples include cancer screening, infectious disease screening, and newborn screening.

In film and entertainment, a screening is a showing of a movie or other work to an audience. A film that has been shown may be described as screened. The term also appears in the context of auditions and previews.

In architecture and horticulture, screened describes spaces or openings enclosed with a mesh or lattice to keep insects out while allowing air or light. A screened porch or screened enclosure is a common example.

In physics and chemistry, screening denotes the reduction of interaction strength due to the presence of other charges or polarization in a medium. This includes dielectric screening, screened Coulomb potentials, and screening effects in plasmas and solids.