:10
:09
:08
:07
:06
:05
:04
:03
:02
:01
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| ROI | |
| —abbreviation for | |
| 1. | Republic of Ireland |
| 2. | finance return on investment |
| ROI return on investment |