(astronomy) A star in which the strength of the helium absorption lines vary periodically; at times appearing to be a helium star.

(chemistry) a star macromolecule having arms composed of different types or numbers of monomers

(programming) the association between a variable name (identifier) and its value.

(programming) A variable that is associated with a value, and therefore a variable that has an allocated storage location. If the programming language implements a representation of a canonical unknown value, infinity, etc., the value bound to the variable may be one of these.

(programming) A variable that is not bound to a storage location.

(often attributive) university / (sports, US) The principal sports team representing an institution (usually a high school, college, or university.)

A dark coating on rock surfaces exposed to the atmosphere, mostly comprising clay and oxides, which grows at only a few micrometers per thousand years; found especially in arid deserts.

In sports, a team composed of players who play behind the varsity unit.

In a variable manner.

(military, nautical, navigation) In navigation, at a given place and time, the horizontal angle between the true north and magnetic north measured east or west according to whether magnetic north lies east or west of true north.