[thou-zuh
ndth, -zuhntth, -zuhnth] 
| 1. | last in order of a series of a thousand. |
| 2. | being one of a thousand equal parts. |
| 3. | a thousandth part, esp. of one (1/1000). |
| 4. | the thousandth member of a series. |
| 5. | Also, thousandth's place. (in decimal notation) the position of the third digit to the right of the decimal point. |