| COS | inconceivably extended in space or time |
|---|---|
| COS | of or from or pertaining to or characteristic of the cosmos or universe |
| COS | clouds of particles or gases occurring throughout interstellar space |
| COS | highly penetrating ionizing radiation of extraterrestrial origin |
| COS | the time covered by the physical formation and development of the universe |
| COS | a genus of fish in the family Syngnathidae |
| COS | 8 inches |
| COS | pertaining to the branch of astronomy dealing with the history and structure and dynamics of the universe |
| COS | pertaining to the branch of astronomy dealing with the history and structure and dynamics of the universe |
| COS | the branch of astrophysics that studies the origins and structure of the universe |
| COS | a scientist knowledgeable about cosmography |
| COS | a scientist knowledgeable about cosmography |