Complex sentence: Metadynamics (MTD; also abbreviated as METAD or MetaD) is a technique in computational physics, chemistry and biology, used to improve sampling of a system (or different systems) where ergodicity is hindered by the form of the system's energy landscape.
Split into simpler sentences: Metadynamics (MTD; also abbreviated as METAD or MetaD) is a sampling method in computational physics, chemistry and biology. It used to improve sampling of a system (or different systems) where ergodicity is hindered by the form of the system's energy landscape.