a unit of compensation for written work, based on the amount of space that the submitted material occupies in print, and usually computed in column inches.
noun 1. space inversion. space inversion noun, Physics. 1. the mathematical operation of reversing the directions of all three space coordinates. Symbol: P.
[speys-sey-ving] /ˈspeɪsˌseɪ vɪŋ/ adjective 1. that saves space. noun 2. the act or process of saving space.
noun 1. any of the sciences involved in space travel or the exploration of space, as space medicine.
noun 1. spacecraft. noun 1. a manned spacecraft