The area of the Solar System that comprises certain objects that are relatively far from the Sun, including Jupiter, Saturn, Uranus and Neptune, while not including the other planets.

The area of the Solar System that comprises certain objects that are relatively close to the Sun, including Mercury, Venus, Earth and Mars, while not including the other planets.

(of an emotional state, often with get) Eliminated from one's disposition, mindset, or concerns. / (literally) Physically eliminated from the body.

(transport, space science) A Shuttle-derived heavy launch vehicle being designed by NASA to replace the Space Shuttle.

A system of railroad equipment designed to ensure safety by monitoring locations of trains and locomotives, providing analysis and reporting, and automation of track warrants and similar orders.

(astronomy) A heliocentric model of the solar system, proposed in the 16th century by the eponymous astronomer.

(endocrinology) A collection of hormones involved in the regulation of the body's blood pressure and water content

(anatomy) The system of organs within an organism which work together for the purpose of reproduction.

(historical) A penal method of the 19th century in which prisoners worked during the day in groups and were kept in solitary confinement at night, with enforced silence at all times.

(immunology) An aspect of the innate immune system that supplements the actions of the antibodies and phagocytic cells in clearing out pathogens from an organism