"Tractrix" validity in different word game dictionaries
| Dictionary | Validity |
|---|---|
| Scrabble US(US/Canada/Thailand - TWL/NWL) | Yes |
| Scrabble UK(International - SOWPODS/CSW) | Yes |
| Words with Friends(WWF) | Yes |
"tractrix" Definition
- a curve in which the part of the tangent between the point of tangency and a given straight line is constant and which is an involute of a catenary