| adj. | 1. | perceived with the eyes and sometimes with other senses; |
| 2. | Detected by systematic scientific observation; | |
| 3. | Perceived directly with the eyes; observed at first hand. |
| Adj. | 1. | observed - discovered or determined by scientific observation; "variation in the ascertained flux depends on a number of factors"; "the discovered behavior norms"; "discovered differences in achievement"; "no explanation for the observed phenomena" Synonyms: ascertained, discovered |