Canadian Space Agency
The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.
Definition: A set or assemblage of things connected, associated, or interdependent, so as to form a complex unity.
Other Definition: A whole composed of parts in orderly arrangement according to some scheme or plan; rarely applied to a simple or small assemblage of things.