2. an object launched to orbit Earth or another celestial body
4. a scientist who studies physical and biological aspects of the seas
5. a poisonous substance
7. a large, usually continuous segment of a surface or space; area
8. to cause to collapse; destroy
10. running; flowing
11. organisms not able to be seen except under a microscope, found in rotting matter, in air, in soil and in living bodies, some being the germs of disease
13. a person with a high degree of skill in or knowledge of a certain subject
14. to run or fall out of a container or containment
15. to move or run smoothly with unbroken continuity, as in the manner characteristic of a fluid